Base | Representation |
---|---|
bin | 100001100011011101… |
… | …1101001001110101101 |
3 | 20212222202221220121021 |
4 | 1003012323221032231 |
5 | 2140033043012002 |
6 | 53034051334141 |
7 | 5130432254521 |
oct | 1030673511655 |
9 | 225882856537 |
10 | 72057000877 |
11 | 286173312a4 |
12 | 11b6b8b1351 |
13 | 6a4465b834 |
14 | 36b7cabd81 |
15 | 1d1aed2737 |
hex | 10c6ee93ad |
72057000877 has 4 divisors (see below), whose sum is σ = 72057636736. Its totient is φ = 72056365020.
The previous prime is 72057000859. The next prime is 72057000919. The reversal of 72057000877 is 77800075027.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77800075027 = 31231 ⋅2491117.
It is a cyclic number.
It is not a de Polignac number, because 72057000877 - 219 = 72056476589 is a prime.
It is a super-2 number, since 2×720570008772 (a number of 23 digits) contains 22 as substring.
It is a pancake number, because a pancake can be divided into 72057000877 parts by 379623 straight cuts.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72057000577) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96573 + ... + 391714.
It is an arithmetic number, because the mean of its divisors is an integer number (18014409184).
Almost surely, 272057000877 is an apocalyptic number.
It is an amenable number.
72057000877 is a deficient number, since it is larger than the sum of its proper divisors (635859).
72057000877 is a wasteful number, since it uses less digits than its factorization.
72057000877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635858.
The product of its (nonzero) digits is 192080, while the sum is 43.
The spelling of 72057000877 in words is "seventy-two billion, fifty-seven million, eight hundred seventy-seven", and thus it is an aban number.
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