Base | Representation |
---|---|
bin | 100001010000010000… |
… | …1000110110101000100 |
3 | 20211022212020101100112 |
4 | 1002200201012311010 |
5 | 2132223100310040 |
6 | 52450105532152 |
7 | 5105445214445 |
oct | 1024041066504 |
9 | 224285211315 |
10 | 71412510020 |
11 | 28316555825 |
12 | 11a0baa4058 |
13 | 6970c862b7 |
14 | 36564632cc |
15 | 1cce627365 |
hex | 10a0846d44 |
71412510020 has 48 divisors (see below), whose sum is σ = 158005935360. Its totient is φ = 27057757056.
The previous prime is 71412510019. The next prime is 71412510031. The reversal of 71412510020 is 2001521417.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706235 + ... + 800994.
It is an arithmetic number, because the mean of its divisors is an integer number (3291790320).
Almost surely, 271412510020 is an apocalyptic number.
It is an amenable number.
71412510020 is an abundant number, since it is smaller than the sum of its proper divisors (86593425340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71412510020 is a wasteful number, since it uses less digits than its factorization.
71412510020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1507364 (or 1507362 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 23.
The spelling of 71412510020 in words is "seventy-one billion, four hundred twelve million, five hundred ten thousand, twenty".
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