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108682688840 = 23511222455101
BaseRepresentation
bin110010100110111111…
…1100011100101001000
3101101112021122122011212
41211031333203211020
53240040232020330
6121532251112252
710565154420065
oct1451577434510
9341467578155
10108682688840
11421015a9800
1219091742688
13a33061064b
145390277c6c
152c61638295
hex194dfe3948

108682688840 has 48 divisors (see below), whose sum is σ = 268787570940. Its totient is φ = 39520976000.

The previous prime is 108682688833. The next prime is 108682688843. The reversal of 108682688840 is 48886286801.

It can be written as a sum of positive squares in 2 ways, for example, as 106459943524 + 2222745316 = 326282^2 + 47146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108682688840.

It is not an unprimeable number, because it can be changed into a prime (108682688843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11222711 + ... + 11232390.

Almost surely, 2108682688840 is an apocalyptic number.

108682688840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108682688840 is an abundant number, since it is smaller than the sum of its proper divisors (160104882100).

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

108682688840 is a wasteful number, since it uses less digits than its factorization.

108682688840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22455134 (or 22455119 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 59.

The spelling of 108682688840 in words is "one hundred eight billion, six hundred eighty-two million, six hundred eighty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 22455101 44910202 89820404 112275505 179640808 224551010 247006111 449102020 494012222 898204040 988024444 1235030555 1976048888 2470061110 2717067221 4940122220 5434134442 9880244440 10868268884 13585336105 21736537768 27170672210 54341344420 108682688840