Base | Representation |
---|---|
bin | 100000110101001110… |
… | …0101100000011010100 |
3 | 20201222122022111210011 |
4 | 1001222130230003110 |
5 | 2123343334211400 |
6 | 52220103010004 |
7 | 5044121600566 |
oct | 1015234540324 |
9 | 221878274704 |
10 | 70505382100 |
11 | 279a04a512a |
12 | 117b8139904 |
13 | 685806540a |
14 | 35abbad336 |
15 | 1c79b8d8ba |
hex | 106a72c0d4 |
70505382100 has 36 divisors (see below), whose sum is σ = 153055709884. Its totient is φ = 28191271680.
The previous prime is 70505382071. The next prime is 70505382113. The reversal of 70505382100 is 128350507.
It can be written as a sum of positive squares in 6 ways, for example, as 16301160976 + 54204221124 = 127676^2 + 232818^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126994 + ... + 396406.
Almost surely, 270505382100 is an apocalyptic number.
It is an amenable number.
70505382100 is an abundant number, since it is smaller than the sum of its proper divisors (82550327784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70505382100 is a wasteful number, since it uses less digits than its factorization.
70505382100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272044 (or 272037 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 31.
The spelling of 70505382100 in words is "seventy billion, five hundred five million, three hundred eighty-two thousand, one hundred".
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