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122772668 = 22148720641
BaseRepresentation
bin1110101000101…
…01110010111100
322120000111102212
413110111302330
5222412211133
620103235552
73020356544
oct724256274
9276014385
10122772668
1163335a17
1235148bb8
131c587c65
141243c324
15aba2148
hex7515cbc

122772668 has 12 divisors (see below), whose sum is σ = 215007072. Its totient is φ = 61342080.

The previous prime is 122772659. The next prime is 122772673. The reversal of 122772668 is 866277221.

122772668 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

122772668 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (17917256).

Almost surely, 2122772668 is an apocalyptic number.

It is an amenable number.

122772668 is a deficient number, since it is larger than the sum of its proper divisors (92234404).

122772668 is a wasteful number, since it uses less digits than its factorization.

122772668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132 (or 22130 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 122772668 is about 11080.2828483753. The cubic root of 122772668 is about 497.0124081450.

The spelling of 122772668 in words is "one hundred twenty-two million, seven hundred seventy-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 1487 2974 5948 20641 41282 82564 30693167 61386334 122772668