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16906129413 = 3131172324967
BaseRepresentation
bin11111011111010111…
…10001000000000101
31121122012212100200020
433233223301000011
5234110432120123
611433325005353
71135643505015
oct175753610005
947565770606
1016906129413
117196084288
1233399b3859
131795717794
14b65445c45
1568e3337e3
hex3efaf1005

16906129413 has 16 divisors (see below), whose sum is σ = 22727671296. Its totient is φ = 11177777520.

The previous prime is 16906129411. The next prime is 16906129423. The reversal of 16906129413 is 31492160961.

It is not a de Polignac number, because 16906129413 - 21 = 16906129411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16906129411) 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, 664656 + ... + 689622.

It is an arithmetic number, because the mean of its divisors is an integer number (1420479456).

Almost surely, 216906129413 is an apocalyptic number.

It is an amenable number.

16906129413 is a deficient number, since it is larger than the sum of its proper divisors (5821541883).

16906129413 is a wasteful number, since it uses less digits than its factorization.

16906129413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 16906129413 in words is "sixteen billion, nine hundred six million, one hundred twenty-nine thousand, four hundred thirteen".

Divisors: 1 3 131 393 1723 5169 24967 74901 225713 677139 3270677 9812031 43018141 129054423 5635376471 16906129413