Base | Representation |
---|---|
bin | 100000101110000011… |
… | …1001100000100111001 |
3 | 20201100212201222110102 |
4 | 1001130013030010321 |
5 | 2122400301140311 |
6 | 52140151525145 |
7 | 5035141333025 |
oct | 1013407140471 |
9 | 221325658412 |
10 | 70264865081 |
11 | 27887759134 |
12 | 1174b6897b5 |
13 | 681a293158 |
14 | 3587c81385 |
15 | 1c639ce43b |
hex | 105c1cc139 |
70264865081 has 8 divisors (see below), whose sum is σ = 72581507328. Its totient is φ = 67951350000.
The previous prime is 70264865071. The next prime is 70264865093. The reversal of 70264865081 is 18056846207.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70264865081 - 214 = 70264848697 is a prime.
It is a super-2 number, since 2×702648650812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70264865071) 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, 736070 + ... + 826031.
It is an arithmetic number, because the mean of its divisors is an integer number (9072688416).
Almost surely, 270264865081 is an apocalyptic number.
It is an amenable number.
70264865081 is a deficient number, since it is larger than the sum of its proper divisors (2316642247).
70264865081 is a wasteful number, since it uses less digits than its factorization.
70264865081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563583.
The product of its (nonzero) digits is 645120, while the sum is 47.
The spelling of 70264865081 in words is "seventy billion, two hundred sixty-four million, eight hundred sixty-five thousand, eighty-one".
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