Base | Representation |
---|---|
bin | 1001000110010001000… |
… | …10001100100110100111 |
3 | 1002212212202220122120222 |
4 | 10203020202030212213 |
5 | 20110202111144111 |
6 | 355335110514555 |
7 | 31404366415622 |
oct | 4431042144647 |
9 | 1085782818528 |
10 | 312602053031 |
11 | 110634789264 |
12 | 50701965a5b |
13 | 2362a92a618 |
14 | 111b6abcdb9 |
15 | 81e8c057db |
hex | 48c888c9a7 |
312602053031 has 4 divisors (see below), whose sum is σ = 323381434200. Its totient is φ = 301822671864.
The previous prime is 312602053019. The next prime is 312602053051. The reversal of 312602053031 is 130350206213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 312602053031 - 230 = 311528311207 is a prime.
It is a super-2 number, since 2×3126020530312 (a number of 24 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 (312602053051) 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, 5389690541 + ... + 5389690598.
It is an arithmetic number, because the mean of its divisors is an integer number (80845358550).
Almost surely, 2312602053031 is an apocalyptic number.
312602053031 is a deficient number, since it is larger than the sum of its proper divisors (10779381169).
312602053031 is a wasteful number, since it uses less digits than its factorization.
312602053031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10779381168.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 312602053031 its reverse (130350206213), we get a palindrome (442952259244).
The spelling of 312602053031 in words is "three hundred twelve billion, six hundred two million, fifty-three thousand, thirty-one".
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