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108121299 = 31113219387
BaseRepresentation
bin1100111000111…
…00110011010011
321112110010112120
412130130303103
5210134340144
614421225323
72452005306
oct634346323
9245403476
10108121299
1156039150
1230262243
1319528200
1410506b3d
15975ae19
hex671ccd3

108121299 has 24 divisors (see below), whose sum is σ = 170304192. Its totient is φ = 60484320.

The previous prime is 108121259. The next prime is 108121331. The reversal of 108121299 is 992121801.

It is not a de Polignac number, because 108121299 - 27 = 108121171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (108121259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4117 + ... + 15270.

It is an arithmetic number, because the mean of its divisors is an integer number (7096008).

Almost surely, 2108121299 is an apocalyptic number.

108121299 is a deficient number, since it is larger than the sum of its proper divisors (62182893).

108121299 is a wasteful number, since it uses less digits than its factorization.

108121299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19427 (or 19414 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 108121299 is about 10398.1392085315. The cubic root of 108121299 is about 476.3985360704.

The spelling of 108121299 in words is "one hundred eight million, one hundred twenty-one thousand, two hundred ninety-nine".

Divisors: 1 3 11 13 33 39 143 169 429 507 1859 5577 19387 58161 213257 252031 639771 756093 2772341 3276403 8317023 9829209 36040433 108121299