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13216908910 = 251777746523
BaseRepresentation
bin11000100111100101…
…00000011001101110
31021010002221112112211
430103302200121232
5204032012041120
610023300121034
7645345605062
oct142362403156
937102845484
1013216908910
115672667317
12268a39617a
1313282c947a
148d54adaa2
155254eb25a
hex313ca066e

13216908910 has 16 divisors (see below), whose sum is σ = 25189873776. Its totient is φ = 4975777408.

The previous prime is 13216908863. The next prime is 13216908917. The reversal of 13216908910 is 1980961231.

It is a super-2 number, since 2×132169089102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216908917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38873092 + ... + 38873431.

It is an arithmetic number, because the mean of its divisors is an integer number (1574367111).

Almost surely, 213216908910 is an apocalyptic number.

13216908910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13216908910 is a deficient number, since it is larger than the sum of its proper divisors (11972964866).

13216908910 is a wasteful number, since it uses less digits than its factorization.

13216908910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77746547.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 13216908910 in words is "thirteen billion, two hundred sixteen million, nine hundred eight thousand, nine hundred ten".

Divisors: 1 2 5 10 17 34 85 170 77746523 155493046 388732615 777465230 1321690891 2643381782 6608454455 13216908910