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122772102 = 2320462017
BaseRepresentation
bin1110101000101…
…01101010000110
322120000110122220
413110111222012
5222412201402
620103233210
73020355105
oct724255206
9276013586
10122772102
1163335552
1235148806
131c58791b
141243c03c
15aba1dbc
hex7515a86

122772102 has 8 divisors (see below), whose sum is σ = 245544216. Its totient is φ = 40924032.

The previous prime is 122772061. The next prime is 122772103. The reversal of 122772102 is 201277221.

It is a sphenic number, since it is the product of 3 distinct primes.

122772102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122772103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10231003 + ... + 10231014.

It is an arithmetic number, because the mean of its divisors is an integer number (30693027).

Almost surely, 2122772102 is an apocalyptic number.

122772102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122772102 is a wasteful number, since it uses less digits than its factorization.

122772102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462022.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 122772102 is about 11080.2573074816. The cubic root of 122772102 is about 497.0116443771.

The spelling of 122772102 in words is "one hundred twenty-two million, seven hundred seventy-two thousand, one hundred two".

Divisors: 1 2 3 6 20462017 40924034 61386051 122772102