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16391202926 = 272940372421
BaseRepresentation
bin11110100001111110…
…11110100001101110
31120022022221101022212
433100333132201232
5232032121443201
611310252210422
71120121632430
oct172077364156
946268841285
1016391202926
116a514523aa
123215469a12
131712b37657
14b16cc6650
1565e01cabb
hex3d0fde86e

16391202926 has 16 divisors (see below), whose sum is σ = 29068143840. Its totient is φ = 6782566560.

The previous prime is 16391202913. The next prime is 16391202937. The reversal of 16391202926 is 62920219361.

It is a super-2 number, since 2×163912029262 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20185805 + ... + 20186616.

It is an arithmetic number, because the mean of its divisors is an integer number (1816758990).

Almost surely, 216391202926 is an apocalyptic number.

16391202926 is a deficient number, since it is larger than the sum of its proper divisors (12676940914).

16391202926 is a wasteful number, since it uses less digits than its factorization.

16391202926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372459.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 16391202926 in words is "sixteen billion, three hundred ninety-one million, two hundred two thousand, nine hundred twenty-six".

Divisors: 1 2 7 14 29 58 203 406 40372421 80744842 282606947 565213894 1170800209 2341600418 8195601463 16391202926