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31423050852 = 22317330146663
BaseRepresentation
bin11101010000111101…
…011011010001100100
310000002221000101011020
4131100331123101210
51003323300111402
622234025011140
72161456345104
oct352075332144
9100087011136
1031423050852
1112365547216
12610b623ab0
132c6a15481b
14174143b204
15c3da238bc
hex750f5b464

31423050852 has 48 divisors (see below), whose sum is σ = 77658602112. Its totient is φ = 9855014400.

The previous prime is 31423050829. The next prime is 31423050859. The reversal of 31423050852 is 25805032413.

It is not an unprimeable number, because it can be changed into a prime (31423050859) 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, 650073 + ... + 696735.

It is an arithmetic number, because the mean of its divisors is an integer number (1617887544).

Almost surely, 231423050852 is an apocalyptic number.

It is an amenable number.

31423050852 is an abundant number, since it is smaller than the sum of its proper divisors (46235551260).

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

31423050852 is a wasteful number, since it uses less digits than its factorization.

31423050852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49988 (or 49986 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 31423050852 in words is "thirty-one billion, four hundred twenty-three million, fifty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 3301 6602 9903 13204 19806 39612 46663 56117 93326 112234 139989 168351 186652 224468 279978 336702 559956 673404 793271 1586542 2379813 3173084 4759626 9519252 154034563 308069126 462103689 616138252 924207378 1848414756 2618587571 5237175142 7855762713 10474350284 15711525426 31423050852