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17940946796 = 225987192
BaseRepresentation
bin10000101101010111…
…010001111101101100
31201022100001112020222
4100231113101331230
5243220340244141
612124132430512
71203410350223
oct205527217554
951270045228
1017940946796
117677218963
123588478438
1318cbc25566
14c22a57cba
157000e114b
hex42d5d1f6c

17940946796 has 18 divisors (see below), whose sum is σ = 31932466020. Its totient is φ = 8817420072.

The previous prime is 17940946757. The next prime is 17940946799. The reversal of 17940946796 is 69764904971.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17940946799) 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 5 ways as a sum of consecutive naturals, for example, 2053325 + ... + 2062043.

It is an arithmetic number, because the mean of its divisors is an integer number (1774025890).

Almost surely, 217940946796 is an apocalyptic number.

It is an amenable number.

17940946796 is a deficient number, since it is larger than the sum of its proper divisors (13991519224).

17940946796 is an frugal number, since it uses more digits than its factorization.

17940946796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17501 (or 8780 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 17940946796 in words is "seventeen billion, nine hundred forty million, nine hundred forty-six thousand, seven hundred ninety-six".

Divisors: 1 2 4 59 118 236 8719 17438 34876 514421 1028842 2057684 76020961 152041922 304083844 4485236699 8970473398 17940946796