Base | Representation |
---|---|
bin | 11100111010011011… |
… | …101101001101001011 |
3 | 2222010120212010102002 |
4 | 130322123231031023 |
5 | 1002040022101101 |
6 | 22132324301215 |
7 | 2146220050340 |
oct | 347233551513 |
9 | 88116763362 |
10 | 31045112651 |
11 | 1219117a6a3 |
12 | 6024b4180b |
13 | 2c09a68c57 |
14 | 170717a7c7 |
15 | c1a76bd6b |
hex | 73a6ed34b |
31045112651 has 8 divisors (see below), whose sum is σ = 35491889664. Its totient is φ = 26601275880.
The previous prime is 31045112603. The next prime is 31045112669. The reversal of 31045112651 is 15621154013.
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 31045112651 - 26 = 31045112587 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31045114651) 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, 712385 + ... + 754706.
It is an arithmetic number, because the mean of its divisors is an integer number (4436486208).
Almost surely, 231045112651 is an apocalyptic number.
31045112651 is a deficient number, since it is larger than the sum of its proper divisors (4446777013).
31045112651 is a wasteful number, since it uses less digits than its factorization.
31045112651 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1470121.
The product of its (nonzero) digits is 3600, while the sum is 29.
Adding to 31045112651 its reverse (15621154013), we get a palindrome (46666266664).
The spelling of 31045112651 in words is "thirty-one billion, forty-five million, one hundred twelve thousand, six hundred fifty-one".
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