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105887256078 = 23312512268073
BaseRepresentation
bin110001010011101011…
…1110100111000001110
3101010022110112221100010
41202213113310320032
53213324114143303
6120351031214050
710435661553252
oct1424727647016
9333273487303
10105887256078
11409a766079a
1218631517326
139ca6422216
1451a6cc2262
152b4b001c03
hex18a75f4e0e

105887256078 has 32 divisors (see below), whose sum is σ = 219476984832. Its totient is φ = 34021080000.

The previous prime is 105887256067. The next prime is 105887256133. The reversal of 105887256078 is 870652788501.

It is a super-2 number, since 2×1058872560782 (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 1087351 + ... + 1180722.

It is an arithmetic number, because the mean of its divisors is an integer number (6858655776).

Almost surely, 2105887256078 is an apocalyptic number.

105887256078 is an abundant number, since it is smaller than the sum of its proper divisors (113589728754).

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

105887256078 is a wasteful number, since it uses less digits than its factorization.

105887256078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268360.

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 105887256078 in words is "one hundred five billion, eight hundred eighty-seven million, two hundred fifty-six thousand, seventy-eight".

Divisors: 1 2 3 6 31 62 93 186 251 502 753 1506 7781 15562 23343 46686 2268073 4536146 6804219 13608438 70310263 140620526 210930789 421861578 569286323 1138572646 1707858969 3415717938 17647876013 35295752026 52943628039 105887256078