Base | Representation |
---|---|
bin | 111101000000011101… |
… | …1100111010101010101 |
3 | 110112011110102210011001 |
4 | 1322000323213111111 |
5 | 4121303101131013 |
6 | 140104112343301 |
7 | 12315413506033 |
oct | 1720073472525 |
9 | 415143383131 |
10 | 131012130133 |
11 | 5061aa28515 |
12 | 21483844b31 |
13 | c47b79acc1 |
14 | 64aba93553 |
15 | 361bb3dddd |
hex | 1e80ee7555 |
131012130133 has 4 divisors (see below), whose sum is σ = 136708309728. Its totient is φ = 125315950540.
The previous prime is 131012130083. The next prime is 131012130143. The reversal of 131012130133 is 331031210131.
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, and also an emirpimes, since its reverse is a distinct semiprime: 331031210131 = 37 ⋅8946789463.
It is a cyclic number.
It is not a de Polignac number, because 131012130133 - 229 = 130475259221 is a prime.
It is a super-2 number, since 2×1310121301332 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131012130133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012130143) 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, 2848089763 + ... + 2848089808.
It is an arithmetic number, because the mean of its divisors is an integer number (34177077432).
Almost surely, 2131012130133 is an apocalyptic number.
It is an amenable number.
131012130133 is a deficient number, since it is larger than the sum of its proper divisors (5696179595).
131012130133 is an equidigital number, since it uses as much as digits as its factorization.
131012130133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5696179594.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131012130133 its reverse (331031210131), we get a palindrome (462043340264).
The spelling of 131012130133 in words is "one hundred thirty-one billion, twelve million, one hundred thirty thousand, one hundred thirty-three".
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