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103121112130013 = 831331393324047
BaseRepresentation
bin10111011100100111000001…
…010000011110000111011101
3111112010021121121102110210202
4113130213001100132013131
5102004014014201130023
61003153103535313245
730502153201415315
oct2734470120360735
9445107547373722
10103121112130013
112a94846648778a
12b69568b97b825
13457038239a0b3
141b67134a2a445
15bdc63b949128
hex5dc9c141e1dd

103121112130013 has 8 divisors (see below), whose sum is σ = 104371375506048. Its totient is φ = 101871035428864.

The previous prime is 103121112129977. The next prime is 103121112130031. The reversal of 103121112130013 is 310031211121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103121112130013 - 218 = 103121111867869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121112139013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45557045 + ... + 47767002.

It is an arithmetic number, because the mean of its divisors is an integer number (13046421938256).

Almost surely, 2103121112130013 is an apocalyptic number.

It is an amenable number.

103121112130013 is a deficient number, since it is larger than the sum of its proper divisors (1250263376035).

103121112130013 is an equidigital number, since it uses as much as digits as its factorization.

103121112130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93337443.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 103121112130013 its reverse (310031211121301), we get a palindrome (413152323251314).

The spelling of 103121112130013 in words is "one hundred three trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thirty thousand, thirteen".

Divisors: 1 83 13313 1104979 93324047 7745895901 1242423037711 103121112130013