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16869411009 = 32114122318637
BaseRepresentation
bin11111011010111111…
…01100100011000001
31121112122202212111100
433231133230203001
5234022032123014
611425534005013
71135016425203
oct175537544301
947478685440
1016869411009
1171773851a0
123329646769
13178ac2c809
14b60608773
1568aece009
hex3ed7ec8c1

16869411009 has 48 divisors (see below), whose sum is σ = 27354023424. Its totient is φ = 9929260800.

The previous prime is 16869411007. The next prime is 16869411043. The reversal of 16869411009 is 90011496861.

It is not a de Polignac number, because 16869411009 - 21 = 16869411007 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16869411007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 895839 + ... + 914475.

It is an arithmetic number, because the mean of its divisors is an integer number (569875488).

Almost surely, 216869411009 is an apocalyptic number.

It is an amenable number.

16869411009 is a deficient number, since it is larger than the sum of its proper divisors (10484612415).

16869411009 is a wasteful number, since it uses less digits than its factorization.

16869411009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18918 (or 18915 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 16869411009 in words is "sixteen billion, eight hundred sixty-nine million, four hundred eleven thousand, nine".

Divisors: 1 3 9 11 33 41 99 123 223 369 451 669 1353 2007 2453 4059 7359 9143 18637 22077 27429 55911 82287 100573 167733 205007 301719 615021 764117 905157 1845063 2292351 4156051 6877053 8405287 12468153 25215861 37404459 45716561 75647583 137149683 170398091 411449049 511194273 1533582819 1874379001 5623137003 16869411009