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123031325134415 = 51572753568910007
BaseRepresentation
bin11011111110010101110110…
…011011100100111001001111
3121010121200100120211000110002
4123332111312123210321033
5112111221123213300130
61113355451022434515
734625501633532605
oct3376256633447117
9533550316730402
10123031325134415
1136224323689025
1211970365a32a3b
135385a5ba1a069
142254a68395875
15e354d8ecab45
hex6fe5766e4e4f

123031325134415 has 32 divisors (see below), whose sum is σ = 148672908051840. Its totient is φ = 97735672479744.

The previous prime is 123031325134391. The next prime is 123031325134439. The reversal of 123031325134415 is 514431523130321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123031325134391) and next prime (123031325134439).

It is a cyclic number.

It is not a de Polignac number, because 123031325134415 - 210 = 123031325133391 is a prime.

It is a super-2 number, since 2×1230313251344152 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12294521342 + ... + 12294531348.

It is an arithmetic number, because the mean of its divisors is an integer number (4646028376620).

Almost surely, 2123031325134415 is an apocalyptic number.

123031325134415 is a deficient number, since it is larger than the sum of its proper divisors (25641582917425).

123031325134415 is a wasteful number, since it uses less digits than its factorization.

123031325134415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 123031325134415 its reverse (514431523130321), we get a palindrome (637462848264736).

The spelling of 123031325134415 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred twenty-five million, one hundred thirty-four thousand, four hundred fifteen".

Divisors: 1 5 157 785 2753 5689 10007 13765 28445 50035 432221 893173 1571099 2161105 4465865 7855495 15661817 27549271 56929823 78309085 137746355 284649115 2458905269 4325235547 8937982211 12294526345 21626177735 44689911055 156727802719 783639013595 24606265026883 123031325134415