Base | Representation |
---|---|
bin | 100000101101111000… |
… | …0111110101100000000 |
3 | 20201100110210012011110 |
4 | 1001123300332230000 |
5 | 2122342303334242 |
6 | 52135423043320 |
7 | 5035041004161 |
oct | 1013360765400 |
9 | 221313705143 |
10 | 70259043072 |
11 | 27884441a59 |
12 | 11749740540 |
13 | 681900518a |
14 | 35871a7768 |
15 | 1c6322e39c |
hex | 105bc3eb00 |
70259043072 has 72 divisors (see below), whose sum is σ = 192045418096. Its totient is φ = 22786707456.
The previous prime is 70259043053. The next prime is 70259043073. The reversal of 70259043072 is 27034095207.
It is a self number, because there is not a number n which added to its sum of digits gives 70259043072.
It is not an unprimeable number, because it can be changed into a prime (70259043073) 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, 1207843 + ... + 1264674.
Almost surely, 270259043072 is an apocalyptic number.
It is an amenable number.
70259043072 is an abundant number, since it is smaller than the sum of its proper divisors (121786375024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70259043072 is a wasteful number, since it uses less digits than its factorization.
70259043072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2472573 (or 2472559 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The spelling of 70259043072 in words is "seventy billion, two hundred fifty-nine million, forty-three thousand, seventy-two".
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