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1687660096 = 26199132511
BaseRepresentation
bin110010010010111…
…1010011001000000
311100121122000102111
41210211322121000
511424020110341
6435244225104
756551605553
oct14445723100
94317560374
101687660096
11796705011
123b123b194
1320b848955
141201d269a
159d267681
hex6497a640

1687660096 has 28 divisors (see below), whose sum is σ = 3365804800. Its totient is φ = 839583360.

The previous prime is 1687660069. The next prime is 1687660103. The reversal of 1687660096 is 6900667861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53520 + ... + 78991.

Almost surely, 21687660096 is an apocalyptic number.

1687660096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1687660096 is a deficient number, since it is larger than the sum of its proper divisors (1678144704).

1687660096 is a wasteful number, since it uses less digits than its factorization.

1687660096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132722 (or 132712 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1687660096 is about 41081.1403931293. The cubic root of 1687660096 is about 1190.5884376461.

The spelling of 1687660096 in words is "one billion, six hundred eighty-seven million, six hundred sixty thousand, ninety-six".

Divisors: 1 2 4 8 16 32 64 199 398 796 1592 3184 6368 12736 132511 265022 530044 1060088 2120176 4240352 8480704 26369689 52739378 105478756 210957512 421915024 843830048 1687660096