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123130120031313 = 3198297219360959
BaseRepresentation
bin11011111111110001110111…
…000100001100110001010001
3121010222010100202211210000120
4123333301313010030301101
5112114330441212000223
61113513110220140453
734635600105360153
oct3377616704146121
9533863322753016
10123130120031313
113626221084234a
1211987538097729
135392174969635
14225975b358ad3
15e37d6c51cbe3
hex6ffc7710cc51

123130120031313 has 32 divisors (see below), whose sum is σ = 173047111680000. Its totient is φ = 77661609509952.

The previous prime is 123130120031311. The next prime is 123130120031323. The reversal of 123130120031313 is 313130021031321.

It is not a de Polignac number, because 123130120031313 - 21 = 123130120031311 is a prime.

It is a super-2 number, since 2×1231301200313132 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123130120031311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340938928 + ... + 341299886.

It is an arithmetic number, because the mean of its divisors is an integer number (5407722240000).

Almost surely, 2123130120031313 is an apocalyptic number.

It is an amenable number.

123130120031313 is a deficient number, since it is larger than the sum of its proper divisors (49916991648687).

123130120031313 is a wasteful number, since it uses less digits than its factorization.

123130120031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369029.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 123130120031313 its reverse (313130021031321), we get a palindrome (436260141062634).

The spelling of 123130120031313 in words is "one hundred twenty-three trillion, one hundred thirty billion, one hundred twenty million, thirty-one thousand, three hundred thirteen".

Divisors: 1 3 19 57 829 2487 7219 15751 21657 47253 137161 360959 411483 1082877 5984551 6858221 17953653 20574663 113706469 299235011 341119407 897705033 2605763021 5685465209 7817289063 17056395627 49509497399 148528492197 2160177544409 6480532633227 41043373343771 123130120031313