Base | Representation |
---|---|
bin | 100000101100001100… |
… | …0011111101111100010 |
3 | 20201012112000000000000 |
4 | 1001120120133233202 |
5 | 2122233241340333 |
6 | 52130034440430 |
7 | 5033451434541 |
oct | 1013030375742 |
9 | 221175000000 |
10 | 70202293218 |
11 | 27855400a52 |
12 | 11732733116 |
13 | 680a325695 |
14 | 357d834158 |
15 | 1c5d26e713 |
hex | 105861fbe2 |
70202293218 has 78 divisors (see below), whose sum is σ = 158572063281. Its totient is φ = 23309710848.
The previous prime is 70202293201. The next prime is 70202293261. The reversal of 70202293218 is 81239220207.
It can be written as a sum of positive squares in 2 ways, for example, as 43774263729 + 26428029489 = 209223^2 + 162567^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=187353.
It is an unprimeable number.
It is a polite number, since it can be written in 38 ways as a sum of consecutive naturals, for example, 273160546 + ... + 273160802.
Almost surely, 270202293218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70202293218
70202293218 is an abundant number, since it is smaller than the sum of its proper divisors (88369770063).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70202293218 is an frugal number, since it uses more digits than its factorization.
70202293218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552 (or 262 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The spelling of 70202293218 in words is "seventy billion, two hundred two million, two hundred ninety-three thousand, two hundred eighteen".
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