Base | Representation |
---|---|
bin | 101100010011100010… |
… | …101001111001111100 |
3 | 11112210102000222112110 |
4 | 230103202221321330 |
5 | 1234412024220100 |
6 | 33504323334020 |
7 | 3302614336443 |
oct | 542342517174 |
9 | 145712028473 |
10 | 47572491900 |
11 | 191a248230a |
12 | 9277b21310 |
13 | 4641b723bb |
14 | 243418dd5a |
15 | 13866d8250 |
hex | b138a9e7c |
47572491900 has 72 divisors (see below), whose sum is σ = 137698686720. Its totient is φ = 12680872640.
The previous prime is 47572491809. The next prime is 47572492001. The reversal of 47572491900 is 919427574.
It is a super-2 number, since 2×475724919002 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47572491900.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742957 + ... + 804443.
It is an arithmetic number, because the mean of its divisors is an integer number (1912481760).
Almost surely, 247572491900 is an apocalyptic number.
It is an amenable number.
47572491900 is an abundant number, since it is smaller than the sum of its proper divisors (90126194820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47572491900 is a wasteful number, since it uses less digits than its factorization.
47572491900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64083 (or 64076 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 48.
The spelling of 47572491900 in words is "forty-seven billion, five hundred seventy-two million, four hundred ninety-one thousand, nine hundred".
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