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108399279205 = 5714401215063
BaseRepresentation
bin110010011110100011…
…0011011110001100101
3101100210112100221020201
41210331012123301211
53234000203413310
6121444204430501
710555143445660
oct1447506336145
9340715327221
10108399279205
1141a76626968
1219012848431
13a2b69a1039
1453647826d7
152c46804e3a
hex193d19bc65

108399279205 has 16 divisors (see below), whose sum is σ = 148672882944. Its totient is φ = 74325427200.

The previous prime is 108399279203. The next prime is 108399279211. The reversal of 108399279205 is 502972993801.

It is not a de Polignac number, because 108399279205 - 21 = 108399279203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108399279203) 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, 396504 + ... + 611566.

It is an arithmetic number, because the mean of its divisors is an integer number (9292055184).

Almost surely, 2108399279205 is an apocalyptic number.

It is an amenable number.

108399279205 is a deficient number, since it is larger than the sum of its proper divisors (40273603739).

108399279205 is a wasteful number, since it uses less digits than its factorization.

108399279205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229476.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 108399279205 in words is "one hundred eight billion, three hundred ninety-nine million, two hundred seventy-nine thousand, two hundred five".

Divisors: 1 5 7 35 14401 72005 100807 215063 504035 1075315 1505441 7527205 3097122263 15485611315 21679855841 108399279205