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90539513960 = 2357587550861
BaseRepresentation
bin101010001010010010…
…0110101100001101000
322122200212001212010212
41110110210311201220
52440411103421320
6105332052000252
76353440112360
oct1242444654150
9278625055125
1090539513960
11354412169a5
1215669600088
1386cb8308cc
14454c81b9a0
15254d8ec9c5
hex1514935868

90539513960 has 64 divisors (see below), whose sum is σ = 233212936320. Its totient is φ = 30989180160.

The previous prime is 90539513959. The next prime is 90539514019. The reversal of 90539513960 is 6931593509.

It is a super-2 number, since 2×905395139602 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90539513899 and 90539513908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111071 + ... + 439790.

It is an arithmetic number, because the mean of its divisors is an integer number (3643952130).

Almost surely, 290539513960 is an apocalyptic number.

It is an amenable number.

90539513960 is an abundant number, since it is smaller than the sum of its proper divisors (142673422360).

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

90539513960 is a wasteful number, since it uses less digits than its factorization.

90539513960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551466 (or 551462 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 50.

The spelling of 90539513960 in words is "ninety billion, five hundred thirty-nine million, five hundred thirteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 587 1174 2348 2935 4109 4696 5870 8218 11740 16436 20545 23480 32872 41090 82180 164360 550861 1101722 2203444 2754305 3856027 4406888 5508610 7712054 11017220 15424108 19280135 22034440 30848216 38560270 77120540 154241080 323355407 646710814 1293421628 1616777035 2263487849 2586843256 3233554070 4526975698 6467108140 9053951396 11317439245 12934216280 18107902792 22634878490 45269756980 90539513960