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123417200631 = 3295326765821
BaseRepresentation
bin111001011110000111…
…1010000011111110111
3102210120011020101111210
41302330033100133313
54010224300410011
6132410322532503
711626251616314
oct1627417203767
9383504211453
10123417200631
114838287957a
121bb04207133
13b83b15338a
145d8b10dd0b
153324ea96a6
hex1cbc3d07f7

123417200631 has 16 divisors (see below), whose sum is σ = 173442526560. Its totient is φ = 77942067840.

The previous prime is 123417200609. The next prime is 123417200639. The reversal of 123417200631 is 136002714321.

It is a happy number.

It is not a de Polignac number, because 123417200631 - 233 = 114827266039 is a prime.

It is a super-2 number, since 2×1234172006312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123417200639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13378300 + ... + 13387521.

It is an arithmetic number, because the mean of its divisors is an integer number (10840157910).

Almost surely, 2123417200631 is an apocalyptic number.

123417200631 is a deficient number, since it is larger than the sum of its proper divisors (50025325929).

123417200631 is a wasteful number, since it uses less digits than its factorization.

123417200631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26765906.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 123417200631 its reverse (136002714321), we get a palindrome (259419914952).

The spelling of 123417200631 in words is "one hundred twenty-three billion, four hundred seventeen million, two hundred thousand, six hundred thirty-one".

Divisors: 1 3 29 53 87 159 1537 4611 26765821 80297463 776208809 1418588513 2328626427 4255765539 41139066877 123417200631