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16870516832 = 2513317127931
BaseRepresentation
bin11111011011000111…
…11010100001100000
31121112201212001101202
433231203322201200
5234022323014312
611430013420332
71135032012161
oct175543724140
947481761352
1016870516832
117177a6aaa4
123329a9a6a8
13178b228c50
14b60815768
1568b14b9c2
hex3ed8fa860

16870516832 has 48 divisors (see below), whose sum is σ = 35881855632. Its totient is φ = 7761768960.

The previous prime is 16870516829. The next prime is 16870516847. The reversal of 16870516832 is 23861507861.

It is a super-2 number, since 2×168705168322 (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, 67907 + ... + 195837.

It is an arithmetic number, because the mean of its divisors is an integer number (747538659).

Almost surely, 216870516832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16870516832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17940927816).

16870516832 is an abundant number, since it is smaller than the sum of its proper divisors (19011338800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16870516832 is a wasteful number, since it uses less digits than its factorization.

16870516832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128271 (or 128263 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 16870516832 in words is "sixteen billion, eight hundred seventy million, five hundred sixteen thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 317 416 634 1268 2536 4121 5072 8242 10144 16484 32968 65936 127931 131872 255862 511724 1023448 1663103 2046896 3326206 4093792 6652412 13304824 26609648 40554127 53219296 81108254 162216508 324433016 527203651 648866032 1054407302 1297732064 2108814604 4217629208 8435258416 16870516832