Base | Representation |
---|---|
bin | 10001011101101101… |
… | …001101001111001011 |
3 | 1210101212012100102111 |
4 | 101131231031033023 |
5 | 301401003012341 |
6 | 12340424243151 |
7 | 1232456243524 |
oct | 213555151713 |
9 | 53355170374 |
10 | 18752000971 |
11 | 7a53019970 |
12 | 37740104b7 |
13 | 19cac78a82 |
14 | c9c65d84b |
15 | 74b3ed681 |
hex | 45db4d3cb |
18752000971 has 8 divisors (see below), whose sum is σ = 20479293504. Its totient is φ = 17028469320.
The previous prime is 18752000941. The next prime is 18752001017. The reversal of 18752000971 is 17900025781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18752000971 is a prime.
It is a pancake number, because a pancake can be divided into 18752000971 parts by 193659 straight cuts.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18752000941) 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, 929785 + ... + 949738.
It is an arithmetic number, because the mean of its divisors is an integer number (2559911688).
Almost surely, 218752000971 is an apocalyptic number.
18752000971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
18752000971 is a deficient number, since it is larger than the sum of its proper divisors (1727292533).
18752000971 is a wasteful number, since it uses less digits than its factorization.
18752000971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1880441.
The product of its (nonzero) digits is 35280, while the sum is 40.
The spelling of 18752000971 in words is "eighteen billion, seven hundred fifty-two million, nine hundred seventy-one", and thus it is an aban number.
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