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999988875332 = 221997125186389
BaseRepresentation
bin11101000110100111111…
…10110101000001000100
310112121010221111020022022
432203103332311001010
5112340434123002312
62043215532022312
7132150441123416
oct16432376650104
93477127436268
10999988875332
11356102717857
1214197a301998
13733b5ba20b5
1436584b8c9b6
151b02a7ba172
hexe8d3fb5044

999988875332 has 12 divisors (see below), whose sum is σ = 1750856850540. Its totient is φ = 499744060896.

The previous prime is 999988875287. The next prime is 999988875349. The reversal of 999988875332 is 233578889999.

999988875332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 426479526916 + 573509348416 = 653054^2 + 757304^2 .

It is a super-2 number, since 2×9999888753322 (a number of 25 digits) contains 22 as substring.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62585207 + ... + 62601182.

It is an arithmetic number, because the mean of its divisors is an integer number (145904737545).

Almost surely, 2999988875332 is an apocalyptic number.

It is an amenable number.

999988875332 is a deficient number, since it is larger than the sum of its proper divisors (750867975208).

999988875332 is a wasteful number, since it uses less digits than its factorization.

999988875332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125188390 (or 125188388 counting only the distinct ones).

The product of its digits is 2116316160, while the sum is 80.

The spelling of 999988875332 in words is "nine hundred ninety-nine billion, nine hundred eighty-eight million, eight hundred seventy-five thousand, three hundred thirty-two".

Divisors: 1 2 4 1997 3994 7988 125186389 250372778 500745556 249997218833 499994437666 999988875332