Base | Representation |
---|---|
bin | 100001000010011011… |
… | …1110101011000100000 |
3 | 20210010112111200121100 |
4 | 1002010313311120200 |
5 | 2130300332041244 |
6 | 52332100554400 |
7 | 5061114022563 |
oct | 1020467653040 |
9 | 223115450540 |
10 | 70948705824 |
11 | 280a8770877 |
12 | 119006b2a00 |
13 | 68c8b65349 |
14 | 3610a104da |
15 | 1ca3a5db69 |
hex | 1084df5620 |
70948705824 has 72 divisors (see below), whose sum is σ = 202488986700. Its totient is φ = 23564164608.
The previous prime is 70948705823. The next prime is 70948705853. The reversal of 70948705824 is 42850784907.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 68052113424 + 2896592400 = 260868^2 + 53820^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is not an unprimeable number, because it can be changed into a prime (70948705823) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364899 + ... + 524450.
Almost surely, 270948705824 is an apocalyptic number.
It is an amenable number.
70948705824 is an abundant number, since it is smaller than the sum of its proper divisors (131540280876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70948705824 is a wasteful number, since it uses less digits than its factorization.
70948705824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889642 (or 889631 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 70948705824 in words is "seventy billion, nine hundred forty-eight million, seven hundred five thousand, eight hundred twenty-four".
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