Base | Representation |
---|---|
bin | 10110011000000111… |
… | …11000001000110111 |
3 | 1011000020112012000201 |
4 | 23030003320020313 |
5 | 144100424044111 |
6 | 5304031021331 |
7 | 603464043115 |
oct | 131403701067 |
9 | 34006465021 |
10 | 12013503031 |
11 | 5105344702 |
12 | 23b336a847 |
13 | 1195bb199a |
14 | 81d734ab5 |
15 | 4a4a3b6c1 |
hex | 2cc0f8237 |
12013503031 has 8 divisors (see below), whose sum is σ = 12045371904. Its totient is φ = 11981656440.
The previous prime is 12013503023. The next prime is 12013503043. The reversal of 12013503031 is 13030531021.
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 12013503031 - 23 = 12013503023 is a prime.
It is a super-2 number, since 2×120135030312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12013503071) 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, 1824976 + ... + 1831546.
It is an arithmetic number, because the mean of its divisors is an integer number (1505671488).
Almost surely, 212013503031 is an apocalyptic number.
12013503031 is a deficient number, since it is larger than the sum of its proper divisors (31868873).
12013503031 is an equidigital number, since it uses as much as digits as its factorization.
12013503031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11141.
The product of its (nonzero) digits is 270, while the sum is 19.
The spelling of 12013503031 in words is "twelve billion, thirteen million, five hundred three thousand, thirty-one".
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