Base | Representation |
---|---|
bin | 11101001100101000… |
… | …000100000110100101 |
3 | 2222220212012101102202 |
4 | 131030220010012211 |
5 | 1003201141421203 |
6 | 22222510344245 |
7 | 2156614340102 |
oct | 351450040645 |
9 | 88825171382 |
10 | 31350342053 |
11 | 123284a5aa8 |
12 | 60ab1bb085 |
13 | 2c58078074 |
14 | 1735911aa9 |
15 | c37460388 |
hex | 74ca041a5 |
31350342053 has 16 divisors (see below), whose sum is σ = 31853712000. Its totient is φ = 30851606592.
The previous prime is 31350342047. The next prime is 31350342061. The reversal of 31350342053 is 35024305313.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31350342053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31350342043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12154718 + ... + 12157296.
It is an arithmetic number, because the mean of its divisors is an integer number (1990857000).
Almost surely, 231350342053 is an apocalyptic number.
It is an amenable number.
31350342053 is a deficient number, since it is larger than the sum of its proper divisors (503369947).
31350342053 is a wasteful number, since it uses less digits than its factorization.
31350342053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3404.
The product of its (nonzero) digits is 16200, while the sum is 29.
Adding to 31350342053 its reverse (35024305313), we get a palindrome (66374647366).
The spelling of 31350342053 in words is "thirty-one billion, three hundred fifty million, three hundred forty-two thousand, fifty-three".
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