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122280051 = 361691967
BaseRepresentation
bin1110100100111…
…01100001110011
322112002110200210
413102131201303
5222300430201
620044515203
73013235415
oct722354163
9275073623
10122280051
11630298a3
1234b4bb03
131c44497a
14123509b5
15ab061d6
hex749d873

122280051 has 16 divisors (see below), whose sum is σ = 166124288. Its totient is φ = 79984800.

The previous prime is 122280019. The next prime is 122280077. The reversal of 122280051 is 150082221.

It is a happy number.

It is not a de Polignac number, because 122280051 - 25 = 122280019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122280251) 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, 125970 + ... + 126936.

It is an arithmetic number, because the mean of its divisors is an integer number (10382768).

Almost surely, 2122280051 is an apocalyptic number.

122280051 is a deficient number, since it is larger than the sum of its proper divisors (43844237).

122280051 is an equidigital number, since it uses as much as digits as its factorization.

122280051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 122280051 is about 11058.0310634398. The cubic root of 122280051 is about 496.3467742244.

The spelling of 122280051 in words is "one hundred twenty-two million, two hundred eighty thousand, fifty-one".

Divisors: 1 3 61 183 691 967 2073 2901 42151 58987 126453 176961 668197 2004591 40760017 122280051