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190940470392 = 23371766855907
BaseRepresentation
bin1011000111010011110…
…0000101110001111000
3200020211222011220012210
42301310330011301320
511112021230023032
6223414500535120
716536453135150
oct2616474056170
9606758156183
10190940470392
1173a82a10551
12310096b14a0
131500c428079
149354c11760
154e77e392cc
hex2c74f05c78

190940470392 has 64 divisors (see below), whose sum is σ = 577635045120. Its totient is φ = 51345335808.

The previous prime is 190940470367. The next prime is 190940470397. The reversal of 190940470392 is 293074049091.

It is a happy number.

190940470392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190940470397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33425098 + ... + 33430809.

It is an arithmetic number, because the mean of its divisors is an integer number (9025547580).

Almost surely, 2190940470392 is an apocalyptic number.

190940470392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190940470392 is an abundant number, since it is smaller than the sum of its proper divisors (386694574728).

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

190940470392 is a wasteful number, since it uses less digits than its factorization.

190940470392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66855940 (or 66855936 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 190940470392 in words is "one hundred ninety billion, nine hundred forty million, four hundred seventy thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 66855907 133711814 200567721 267423628 401135442 467991349 534847256 802270884 935982698 1136550419 1403974047 1604541768 1871965396 2273100838 2807948094 3409651257 3743930792 4546201676 5615896188 6819302514 7955852933 9092403352 11231792376 13638605028 15911705866 23867558799 27277210056 31823411732 47735117598 63646823464 95470235196 190940470392