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190874420704 = 25112961306533
BaseRepresentation
bin1011000111000100000…
…0001000010111100000
3200020200100220020002001
42301301000020113200
511111402322430304
6223404141133344
716535021543362
oct2616100102740
9606610806061
10190874420704
1173a496a8430
1230bab55a254
1314ccb840606
14934a13ad32
154e7223dda4
hex2c710085e0

190874420704 has 96 divisors (see below), whose sum is σ = 431035849440. Its totient is φ = 82395801600.

The previous prime is 190874420651. The next prime is 190874420713. The reversal of 190874420704 is 407024478091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469422 + ... + 775954.

It is an arithmetic number, because the mean of its divisors is an integer number (4489956765).

Almost surely, 2190874420704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190874420704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215517924720).

190874420704 is an abundant number, since it is smaller than the sum of its proper divisors (240161428736).

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

190874420704 is a wasteful number, since it uses less digits than its factorization.

190874420704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306644 (or 306636 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

Adding to 190874420704 its reverse (407024478091), we get a palindrome (597898898795).

The spelling of 190874420704 in words is "one hundred ninety billion, eight hundred seventy-four million, four hundred twenty thousand, seven hundred four".

Divisors: 1 2 4 8 11 16 22 29 32 44 58 61 88 116 122 176 232 244 319 352 464 488 638 671 928 976 1276 1342 1769 1952 2552 2684 3538 5104 5368 7076 10208 10736 14152 19459 21472 28304 38918 56608 77836 155672 306533 311344 613066 622688 1226132 2452264 3371863 4904528 6743726 8889457 9809056 13487452 17778914 18698513 26974904 35557828 37397026 53949808 71115656 74794052 97784027 107899616 142231312 149588104 195568054 205683643 284462624 299176208 391136108 411367286 542256877 598352416 782272216 822734572 1084513754 1564544432 1645469144 2169027508 3129088864 3290938288 4338055016 5964825647 6581876576 8676110032 11929651294 17352220064 23859302588 47718605176 95437210352 190874420704