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16906672377 = 33789453293
BaseRepresentation
bin11111011111011011…
…10101100011111001
31121122020212221111000
433233231311203321
5234111102004002
611433344355213
71135651226010
oct175755654371
947566787430
1016906672377
117196415211
12333a015b09
13179587796a
14b65547a77
1568e3de61c
hex3efb758f9

16906672377 has 16 divisors (see below), whose sum is σ = 28625054080. Its totient is φ = 9660955536.

The previous prime is 16906672357. The next prime is 16906672403. The reversal of 16906672377 is 77327660961.

It is not a de Polignac number, because 16906672377 - 212 = 16906668281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16906672357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44726458 + ... + 44726835.

It is an arithmetic number, because the mean of its divisors is an integer number (1789065880).

Almost surely, 216906672377 is an apocalyptic number.

It is an amenable number.

16906672377 is a deficient number, since it is larger than the sum of its proper divisors (11718381703).

16906672377 is an equidigital number, since it uses as much as digits as its factorization.

16906672377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89453309 (or 89453303 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 16906672377 in words is "sixteen billion, nine hundred six million, six hundred seventy-two thousand, three hundred seventy-seven".

Divisors: 1 3 7 9 21 27 63 189 89453293 268359879 626173051 805079637 1878519153 2415238911 5635557459 16906672377