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86887142381560 = 2352172178559539
BaseRepresentation
bin10011110000010111111101…
…010000011101011111111000
3102101122022220100021222002011
4103300113331100131133320
542342024331422202220
6504443222511415304
724205250246344153
oct2360277520353770
9371568810258064
1086887142381560
11257596a2805344
1298b3388224534
133963564c3b761
1417655082a4c9a
15a0a20222365a
hex4f05fd41d7f8

86887142381560 has 16 divisors (see below), whose sum is σ = 195496070358600. Its totient is φ = 34754856952608.

The previous prime is 86887142381549. The next prime is 86887142381587. The reversal of 86887142381560 is 6518324178868.

It is a super-2 number, since 2×868871423815602 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 1086089279730 + ... + 1086089279809.

Almost surely, 286887142381560 is an apocalyptic number.

It is an amenable number.

86887142381560 is an abundant number, since it is smaller than the sum of its proper divisors (108608927977040).

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

86887142381560 is a wasteful number, since it uses less digits than its factorization.

86887142381560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172178559550 (or 2172178559546 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 86887142381560 in words is "eighty-six trillion, eight hundred eighty-seven billion, one hundred forty-two million, three hundred eighty-one thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2172178559539 4344357119078 8688714238156 10860892797695 17377428476312 21721785595390 43443571190780 86887142381560