Base | Representation |
---|---|
bin | 10010000100101011… |
… | …11000111011111111 |
3 | 221001012211220022110 |
4 | 21002111320323333 |
5 | 124332430002322 |
6 | 4242452145103 |
7 | 462306606420 |
oct | 110225707377 |
9 | 27035756273 |
10 | 9702969087 |
11 | 412a089319 |
12 | 1a69608193 |
13 | bb82bbc36 |
14 | 680923647 |
15 | 3bbc88c0c |
hex | 242578eff |
9702969087 has 32 divisors (see below), whose sum is σ = 15136253440. Its totient is φ = 5414325120.
The previous prime is 9702969019. The next prime is 9702969139. The reversal of 9702969087 is 7809692079.
It is a de Polignac number, because none of the positive numbers 2k-9702969087 is a prime.
It is a super-2 number, since 2×97029690872 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9702969587) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150813 + ... + 205305.
It is an arithmetic number, because the mean of its divisors is an integer number (473007920).
Almost surely, 29702969087 is an apocalyptic number.
9702969087 is a deficient number, since it is larger than the sum of its proper divisors (5433284353).
9702969087 is a wasteful number, since it uses less digits than its factorization.
9702969087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54703.
The product of its (nonzero) digits is 3429216, while the sum is 57.
The square root of 9702969087 is about 98503.6501201859. The cubic root of 9702969087 is about 2132.8888107803. Note that the first 4 decimals are identical.
The spelling of 9702969087 in words is "nine billion, seven hundred two million, nine hundred sixty-nine thousand, eighty-seven".
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