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123113052 = 22323838929
BaseRepresentation
bin1110101011010…
…00111001011100
322120122210100200
413111220321130
5223004104202
620114423500
73023305116
oct725507134
9276583320
10123113052
1163548727
1235291b90
131c676b7a
14124ca3b6
15ac1ce1c
hex7568e5c

123113052 has 36 divisors (see below), whose sum is σ = 312049920. Its totient is φ = 40925952.

The previous prime is 123113021. The next prime is 123113057. The reversal of 123113052 is 250311321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9324 + ... + 18252.

Almost surely, 2123113052 is an apocalyptic number.

123113052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123113052 is an abundant number, since it is smaller than the sum of its proper divisors (188936868).

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

123113052 is a wasteful number, since it uses less digits than its factorization.

123113052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9322 (or 9317 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123113052 is about 11095.6321135842. The cubic root of 123113052 is about 497.4713022679.

Adding to 123113052 its reverse (250311321), we get a palindrome (373424373).

The spelling of 123113052 in words is "one hundred twenty-three million, one hundred thirteen thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 383 766 1149 1532 2298 3447 4596 6894 8929 13788 17858 26787 35716 53574 80361 107148 160722 321444 3419807 6839614 10259421 13679228 20518842 30778263 41037684 61556526 123113052