Base | Representation |
---|---|
bin | 100001000011111101… |
… | …0110111010110010000 |
3 | 20210021002201011110122 |
4 | 1002013322313112100 |
5 | 2130401424110302 |
6 | 52341124445412 |
7 | 5062304420420 |
oct | 1020772672620 |
9 | 223232634418 |
10 | 70999831952 |
11 | 28124610675 |
12 | 11915849868 |
13 | 69066261aa |
14 | 361771c480 |
15 | 1ca82ac3a2 |
hex | 1087eb7590 |
70999831952 has 40 divisors (see below), whose sum is σ = 157407966912. Its totient is φ = 30390940800.
The previous prime is 70999831937. The next prime is 70999831957. The reversal of 70999831952 is 25913899907.
It is a super-3 number, since 3×709998319523 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (70999831957) 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, 299999 + ... + 481662.
Almost surely, 270999831952 is an apocalyptic number.
It is an amenable number.
70999831952 is an abundant number, since it is smaller than the sum of its proper divisors (86408134960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70999831952 is a wasteful number, since it uses less digits than its factorization.
70999831952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782487 (or 782481 counting only the distinct ones).
The product of its (nonzero) digits is 11022480, while the sum is 62.
The spelling of 70999831952 in words is "seventy billion, nine hundred ninety-nine million, eight hundred thirty-one thousand, nine hundred fifty-two".
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