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190436009904672 = 2537254837383521
BaseRepresentation
bin101011010011001101010110…
…101110010000101000100000
3220222021111121221221212102220
4223103031112232100220200
5144430100422013422142
61513005032321511040
755053355565660100
oct5323152656205040
9828244557855386
10190436009904672
1155751504a31024
12194379364a2480
138235066c8cbbc
14350521b36d200
151703a270b12ec
hexad3356b90a20

190436009904672 has 144 divisors (see below), whose sum is σ = 581616094483872. Its totient is φ = 54400357724160.

The previous prime is 190436009904601. The next prime is 190436009904677. The reversal of 190436009904672 is 276409900634091.

It is not an unprimeable number, because it can be changed into a prime (190436009904677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22100272 + ... + 29483792.

It is an arithmetic number, because the mean of its divisors is an integer number (4039000656138).

Almost surely, 2190436009904672 is an apocalyptic number.

190436009904672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190436009904672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290808047241936).

190436009904672 is an abundant number, since it is smaller than the sum of its proper divisors (391180084579200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190436009904672 is a wasteful number, since it uses less digits than its factorization.

190436009904672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389031 (or 7389016 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 190436009904672 in words is "one hundred ninety trillion, four hundred thirty-six billion, nine million, nine hundred four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 4704 5483 10966 16449 21932 32898 38381 43864 65796 76762 87728 115143 131592 153524 175456 230286 263184 268667 307048 460572 526368 537334 614096 806001 921144 1074668 1228192 1612002 1842288 2149336 3224004 3684576 4298672 6448008 7383521 8597344 12896016 14767042 22150563 25792032 29534084 44301126 51684647 59068168 88602252 103369294 118136336 155053941 177204504 206738588 236272672 310107882 354409008 361792529 413477176 620215764 708818016 723585058 826954352 1085377587 1240431528 1447170116 1653908704 2170755174 2480863056 2894340232 4341510348 4961726112 5788680464 8683020696 11577360928 17366041392 34732082784 40483845643 80967691286 121451536929 161935382572 242903073858 283386919501 323870765144 485806147716 566773839002 647741530288 850160758503 971612295432 1133547678004 1295483060576 1700321517006 1943224590864 1983708436507 2267095356008 3400643034012 3886449181728 3967416873014 4534190712016 5951125309521 6801286068024 7934833746028 9068381424032 11902250619042 13602572136048 15869667492056 23804501238084 27205144272096 31739334984112 47609002476168 63478669968224 95218004952336 190436009904672