Base | Representation |
---|---|
bin | 11100010011111000011… |
… | …11010100110000011111 |
3 | 10102222211102002121212122 |
4 | 32021330033110300133 |
5 | 111414141213011423 |
6 | 2022512424053155 |
7 | 130164402040031 |
oct | 16117417246037 |
9 | 3388742077778 |
10 | 972747000863 |
11 | 3455a3360310 |
12 | 1386370041bb |
13 | 70964065451 |
14 | 3511cb87c51 |
15 | 1a483da88c8 |
hex | e27c3d4c1f |
972747000863 has 4 divisors (see below), whose sum is σ = 1061178546408. Its totient is φ = 884315455320.
The previous prime is 972747000833. The next prime is 972747000881. The reversal of 972747000863 is 368000747279.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368000747279 = 11 ⋅33454613389.
It is not a de Polignac number, because 972747000863 - 214 = 972746984479 is a prime.
It is a super-2 number, since 2×9727470008632 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (972747000833) 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, 44215772756 + ... + 44215772777.
It is an arithmetic number, because the mean of its divisors is an integer number (265294636602).
Almost surely, 2972747000863 is an apocalyptic number.
972747000863 is the 527189-th centered heptagonal number.
972747000863 is a deficient number, since it is larger than the sum of its proper divisors (88431545545).
972747000863 is a wasteful number, since it uses less digits than its factorization.
972747000863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88431545544.
The product of its (nonzero) digits is 3556224, while the sum is 53.
The spelling of 972747000863 in words is "nine hundred seventy-two billion, seven hundred forty-seven million, eight hundred sixty-three", and thus it is an aban number.
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