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108068885181 = 334798356057
BaseRepresentation
bin110010010100101101…
…0000101001010111101
3101022221111200011212000
41210221122011022331
53232311113311211
6121351323132513
710544022240045
oct1445132051275
9338844604760
10108068885181
1141917082a54
1218b40074139
13a2633c0b0a
14533293a725
152c277e0656
hex19296852bd

108068885181 has 16 divisors (see below), whose sum is σ = 160436313600. Its totient is φ = 71895505824.

The previous prime is 108068885179. The next prime is 108068885203. The reversal of 108068885181 is 181588860801.

It is not a de Polignac number, because 108068885181 - 21 = 108068885179 is a prime.

It is a super-2 number, since 2×1080688851812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108068385181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165096 + ... + 4190961.

It is an arithmetic number, because the mean of its divisors is an integer number (10027269600).

Almost surely, 2108068885181 is an apocalyptic number.

It is an amenable number.

108068885181 is a deficient number, since it is larger than the sum of its proper divisors (52367428419).

108068885181 is an equidigital number, since it uses as much as digits as its factorization.

108068885181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356545 (or 8356539 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 54.

The spelling of 108068885181 in words is "one hundred eight billion, sixty-eight million, eight hundred eighty-five thousand, one hundred eighty-one".

Divisors: 1 3 9 27 479 1437 4311 12933 8356057 25068171 75204513 225613539 4002551303 12007653909 36022961727 108068885181