Base | Representation |
---|---|
bin | 11101001100011100… |
… | …111000101110010111 |
3 | 2222220122200111222012 |
4 | 131030130320232113 |
5 | 1003144414134423 |
6 | 22222323454435 |
7 | 2156550414215 |
oct | 351434705627 |
9 | 88818614865 |
10 | 31347411863 |
11 | 12326884559 |
12 | 60aa22741b |
13 | 2c57590421 |
14 | 173538bcb5 |
15 | c37082078 |
hex | 74c738b97 |
31347411863 has 8 divisors (see below), whose sum is σ = 31875465216. Its totient is φ = 30822939000.
The previous prime is 31347411833. The next prime is 31347411869. The reversal of 31347411863 is 36811474313.
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 31347411863 - 28 = 31347411607 is a prime.
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 31347411863.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31347411869) 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, 877463 + ... + 912488.
It is an arithmetic number, because the mean of its divisors is an integer number (3984433152).
Almost surely, 231347411863 is an apocalyptic number.
31347411863 is a deficient number, since it is larger than the sum of its proper divisors (528053353).
31347411863 is a wasteful number, since it uses less digits than its factorization.
31347411863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1790245.
The product of its digits is 145152, while the sum is 41.
The spelling of 31347411863 in words is "thirty-one billion, three hundred forty-seven million, four hundred eleven thousand, eight hundred sixty-three".
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