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122313163 = 7219712671
BaseRepresentation
bin1110100101001…
…01100111001011
322112011011010011
413102211213023
5222303010123
620045332351
73013434100
oct722454713
9275134104
10122313163
1163051765
1234b670b7
131c456a6b
141235caa7
15ab10e0d
hex74a59cb

122313163 has 12 divisors (see below), whose sum is σ = 143016192. Its totient is φ = 104299440.

The previous prime is 122313137. The next prime is 122313167. The reversal of 122313163 is 361313221.

It is not a de Polignac number, because 122313163 - 25 = 122313131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313167) 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, 3318 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (11918016).

Almost surely, 2122313163 is an apocalyptic number.

122313163 is a deficient number, since it is larger than the sum of its proper divisors (20703029).

122313163 is a wasteful number, since it uses less digits than its factorization.

122313163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12875 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 122313163 is about 11059.5281544919. The cubic root of 122313163 is about 496.3915718045.

Adding to 122313163 its reverse (361313221), we get a palindrome (483626384).

The spelling of 122313163 in words is "one hundred twenty-two million, three hundred thirteen thousand, one hundred sixty-three".

Divisors: 1 7 49 197 1379 9653 12671 88697 620879 2496187 17473309 122313163