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5686515820 = 2251987143093
BaseRepresentation
bin1010100101111000…
…10101100001101100
3112200022011221020001
411102330111201230
543121222001240
62340133434044
7260626405216
oct52274254154
915608157201
105686515820
112458987557
12112849b924
136c815957b
143bd3295b6
1523436389a
hex152f1586c

5686515820 has 24 divisors (see below), whose sum is σ = 11947776624. Its totient is φ = 2273445696.

The previous prime is 5686515817. The next prime is 5686515847. The reversal of 5686515820 is 285156865.

It is a happy number.

It is a super-2 number, since 2×56865158202 = 64672924342220544800, which contains 22 as substring.

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, 31807 + ... + 111286.

It is an arithmetic number, because the mean of its divisors is an integer number (497824026).

Almost surely, 25686515820 is an apocalyptic number.

It is an amenable number.

5686515820 is an abundant number, since it is smaller than the sum of its proper divisors (6261260804).

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

5686515820 is a wasteful number, since it uses less digits than its factorization.

5686515820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145089 (or 145087 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 5686515820 is about 75408.9903128268. The cubic root of 5686515820 is about 1784.9062786384.

The spelling of 5686515820 in words is "five billion, six hundred eighty-six million, five hundred fifteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 1987 3974 7948 9935 19870 39740 143093 286186 572372 715465 1430930 2861860 284325791 568651582 1137303164 1421628955 2843257910 5686515820