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108056349081 = 341638184227
BaseRepresentation
bin110010010100010101…
…0010000100110011001
3101022220122002021120000
41210220222100212121
53232244411132311
6121350154323213
710543510545462
oct1445052204631
9338818067500
10108056349081
114190aaa043a
1218b37a29509
13a260921ac5
145330dd5d69
152c26666056
hex1928a90999

108056349081 has 20 divisors (see below), whose sum is σ = 162407820432. Its totient is φ = 71595609048.

The previous prime is 108056349077. The next prime is 108056349091. The reversal of 108056349081 is 180943650801.

108056349081 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 5 + 634 + 9 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 108056349081 - 22 = 108056349077 is a prime.

It is a super-2 number, since 2×1080563490812 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108056349091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4078911 + ... + 4105316.

Almost surely, 2108056349081 is an apocalyptic number.

It is an amenable number.

108056349081 is a deficient number, since it is larger than the sum of its proper divisors (54351471351).

108056349081 is an equidigital number, since it uses as much as digits as its factorization.

108056349081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184402 (or 8184393 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

Adding to 108056349081 its reverse (180943650801), we get a palindrome (288999999882).

The spelling of 108056349081 in words is "one hundred eight billion, fifty-six million, three hundred forty-nine thousand, eighty-one".

Divisors: 1 3 9 27 81 163 489 1467 4401 13203 8184227 24552681 73658043 220974129 662922387 1334029001 4002087003 12006261009 36018783027 108056349081