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87388610484383 = 1340275716690463
BaseRepresentation
bin10011110111101010111111…
…000101011101100010011111
3102110102021021112000000210022
4103313222333011131202133
542423233333241000013
6505505435021302355
724256422143031635
oct2367527705354237
9373367245000708
1087388610484383
112593233544715a
1299745b8a049bb
13399b931291110
1417818ba487355
15a182a1ba0008
hex4f7abf15d89f

87388610484383 has 8 divisors (see below), whose sum is σ = 94111050595968. Its totient is φ = 80666204559264.

The previous prime is 87388610484347. The next prime is 87388610484421. The reversal of 87388610484383 is 38348401688378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87388610484383 - 210 = 87388610483359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87388610484883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109391 + ... + 13581072.

It is an arithmetic number, because the mean of its divisors is an integer number (11763881324496).

Almost surely, 287388610484383 is an apocalyptic number.

87388610484383 is a deficient number, since it is larger than the sum of its proper divisors (6722440111585).

87388610484383 is a wasteful number, since it uses less digits than its factorization.

87388610484383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093233.

The product of its (nonzero) digits is 594542592, while the sum is 71.

The spelling of 87388610484383 in words is "eighty-seven trillion, three hundred eighty-eight billion, six hundred ten million, four hundred eighty-four thousand, three hundred eighty-three".

Divisors: 1 13 402757 5235841 16690463 216976019 6722200806491 87388610484383