Base | Representation |
---|---|
bin | 100000110100110110… |
… | …1000101111001000001 |
3 | 20201221202211121110021 |
4 | 1001221231011321001 |
5 | 2123332140430100 |
6 | 52214535333441 |
7 | 5043610543354 |
oct | 1015155057101 |
9 | 221852747407 |
10 | 70492905025 |
11 | 279944529a4 |
12 | 117b3b21281 |
13 | 68555b722a |
14 | 35aa28229b |
15 | 1c78a26a1a |
hex | 1069b45e41 |
70492905025 has 9 divisors (see below), whose sum is σ = 87412848393. Its totient is φ = 56393262000.
The previous prime is 70492905001. The next prime is 70492905031. The reversal of 70492905025 is 52050929407.
The square root of 70492905025 is 265505.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 4328718849 + 66164186176 = 65793^2 + 257224^2 .
It is a de Polignac number, because none of the positive numbers 2k-70492905025 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1300975 + ... + 1354075.
Almost surely, 270492905025 is an apocalyptic number.
70492905025 is the 265505-th square number.
70492905025 is the 132753-rd centered octagonal number.
It is an amenable number.
70492905025 is a deficient number, since it is larger than the sum of its proper divisors (16919943368).
70492905025 is an frugal number, since it uses more digits than its factorization.
70492905025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106212 (or 53106 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 43.
The spelling of 70492905025 in words is "seventy billion, four hundred ninety-two million, nine hundred five thousand, twenty-five".
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