Base | Representation |
---|---|
bin | 100000111010001010… |
… | …0101111011000111100 |
3 | 20202102012002100220221 |
4 | 1001310110233120330 |
5 | 2124213243231110 |
6 | 52244342151124 |
7 | 5051203122142 |
oct | 1016424573074 |
9 | 222365070827 |
10 | 70671070780 |
11 | 27a75a82522 |
12 | 118437224a4 |
13 | 688349825b |
14 | 35c5bbd592 |
15 | 1c894bb7da |
hex | 107452f63c |
70671070780 has 96 divisors (see below), whose sum is σ = 156112701696. Its totient is φ = 26845986816.
The previous prime is 70671070777. The next prime is 70671070793. The reversal of 70671070780 is 8707017607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5233197 + ... + 5246683.
It is an arithmetic number, because the mean of its divisors is an integer number (1626173976).
Almost surely, 270671070780 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 70671070780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78056350848).
70671070780 is an abundant number, since it is smaller than the sum of its proper divisors (85441630916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70671070780 is a wasteful number, since it uses less digits than its factorization.
70671070780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13703 (or 13701 counting only the distinct ones).
The product of its (nonzero) digits is 115248, while the sum is 43.
The spelling of 70671070780 in words is "seventy billion, six hundred seventy-one million, seventy thousand, seven hundred eighty".
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