Base | Representation |
---|---|
bin | 11101011100100000… |
… | …001010101000001100 |
3 | 10000121102102010120021 |
4 | 131130200022220030 |
5 | 1004222334111314 |
6 | 22305143431524 |
7 | 2166330401404 |
oct | 353440125014 |
9 | 100542363507 |
10 | 31616707084 |
11 | 12454896a96 |
12 | 61644555a4 |
13 | 2c9b2ca501 |
14 | 175d04b804 |
15 | c50a28324 |
hex | 75c80aa0c |
31616707084 has 12 divisors (see below), whose sum is σ = 55818877464. Its totient is φ = 15668456384.
The previous prime is 31616707081. The next prime is 31616707093. The reversal of 31616707084 is 48070761613.
It is a self number, because there is not a number n which added to its sum of digits gives 31616707084.
It is not an unprimeable number, because it can be changed into a prime (31616707081) 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, 34973782 + ... + 34974685.
It is an arithmetic number, because the mean of its divisors is an integer number (4651573122).
Almost surely, 231616707084 is an apocalyptic number.
It is an amenable number.
31616707084 is a deficient number, since it is larger than the sum of its proper divisors (24202170380).
31616707084 is a wasteful number, since it uses less digits than its factorization.
31616707084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69948584 (or 69948582 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 43.
The spelling of 31616707084 in words is "thirty-one billion, six hundred sixteen million, seven hundred seven thousand, eighty-four".
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