Base | Representation |
---|---|
bin | 100000100111011111… |
… | …0000101010110101000 |
3 | 20200210111211220011101 |
4 | 1001032332011112220 |
5 | 2121422324440230 |
6 | 52102234011144 |
7 | 5026523234125 |
oct | 1011676052650 |
9 | 220714756141 |
10 | 70044374440 |
11 | 27784250267 |
12 | 116a9876ab4 |
13 | 67b36b3311 |
14 | 356688774c |
15 | 1c4e478aca |
hex | 104ef855a8 |
70044374440 has 64 divisors (see below), whose sum is σ = 166953908160. Its totient is φ = 26356454400.
The previous prime is 70044374431. The next prime is 70044374447. The reversal of 70044374440 is 4447344007.
It is a self number, because there is not a number n which added to its sum of digits gives 70044374440.
It is not an unprimeable number, because it can be changed into a prime (70044374447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391715 + ... + 1441165.
It is an arithmetic number, because the mean of its divisors is an integer number (2608654815).
Almost surely, 270044374440 is an apocalyptic number.
It is an amenable number.
70044374440 is an abundant number, since it is smaller than the sum of its proper divisors (96909533720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70044374440 is a wasteful number, since it uses less digits than its factorization.
70044374440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51562 (or 51558 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 37.
The spelling of 70044374440 in words is "seventy billion, forty-four million, three hundred seventy-four thousand, four hundred forty".
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