Base | Representation |
---|---|
bin | 10111001100101111111001… |
… | …010001100000000101001001 |
3 | 111101021002011220011222020111 |
4 | 113030233321101200011021 |
5 | 101333134223314343423 |
6 | 1001000242032354321 |
7 | 30330335344222516 |
oct | 2714577121400511 |
9 | 441232156158214 |
10 | 102031130231113 |
11 | 2a568183084396 |
12 | b53a3970a59a1 |
13 | 44c1656c792c5 |
14 | 1b2a493c7830d |
15 | bbe0e572e60d |
hex | 5ccbf9460149 |
102031130231113 has 4 divisors (see below), whose sum is σ = 102031342044688. Its totient is φ = 102030918417540.
The previous prime is 102031130231101. The next prime is 102031130231137. The reversal of 102031130231113 is 311132031130201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 102031130231113 - 225 = 102031096676681 is a prime.
It is a super-2 number, since 2×1020311302311132 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102031130231183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105182583 + ... + 106148188.
It is an arithmetic number, because the mean of its divisors is an integer number (25507835511172).
Almost surely, 2102031130231113 is an apocalyptic number.
It is an amenable number.
102031130231113 is a deficient number, since it is larger than the sum of its proper divisors (211813575).
102031130231113 is an equidigital number, since it uses as much as digits as its factorization.
102031130231113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211813574.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 102031130231113 its reverse (311132031130201), we get a palindrome (413163161361314).
The spelling of 102031130231113 in words is "one hundred two trillion, thirty-one billion, one hundred thirty million, two hundred thirty-one thousand, one hundred thirteen".
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