Base | Representation |
---|---|
bin | 100000111011100000… |
… | …0000110000000000000 |
3 | 20202112022121111112100 |
4 | 1001313000012000000 |
5 | 2124311243140031 |
6 | 52253025030400 |
7 | 5052256666050 |
oct | 1016700060000 |
9 | 222468544470 |
10 | 70715990016 |
11 | 27a99372a61 |
12 | 11856785400 |
13 | 688c894b99 |
14 | 35cbb53560 |
15 | 1c8d3e0de6 |
hex | 1077006000 |
70715990016 has 336 divisors, whose sum is σ = 236784940704. Its totient is φ = 19917176832.
The previous prime is 70715990011. The next prime is 70715990027. The reversal of 70715990016 is 61009951707.
It is a tau number, because it is divible by the number of its divisors (336).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70715990011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37674070 + ... + 37675946.
Almost surely, 270715990016 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70715990016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118392470352).
70715990016 is an abundant number, since it is smaller than the sum of its proper divisors (166068950688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70715990016 is a wasteful number, since it uses less digits than its factorization.
70715990016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1989 (or 1962 counting only the distinct ones).
The product of its (nonzero) digits is 119070, while the sum is 45.
The spelling of 70715990016 in words is "seventy billion, seven hundred fifteen million, nine hundred ninety thousand, sixteen".
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