Base | Representation |
---|---|
bin | 100001010000010001… |
… | …0100111001011101001 |
3 | 20211022212222102201121 |
4 | 1002200202213023221 |
5 | 2132223200422211 |
6 | 52450122215241 |
7 | 5105451450166 |
oct | 1024042471351 |
9 | 224285872647 |
10 | 71412904681 |
11 | 283167a5298 |
12 | 11a10054521 |
13 | 6971093b21 |
14 | 365652706d |
15 | 1cce6a4271 |
hex | 10a08a72e9 |
71412904681 has 8 divisors (see below), whose sum is σ = 71494585344. Its totient is φ = 71331267840.
The previous prime is 71412904679. The next prime is 71412904709. The reversal of 71412904681 is 18640921417.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71412904681 - 21 = 71412904679 is a prime.
It is a super-2 number, since 2×714129046812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71412904181) 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, 4078776 + ... + 4096246.
It is an arithmetic number, because the mean of its divisors is an integer number (8936823168).
Almost surely, 271412904681 is an apocalyptic number.
It is an amenable number.
71412904681 is a deficient number, since it is larger than the sum of its proper divisors (81680663).
71412904681 is a wasteful number, since it uses less digits than its factorization.
71412904681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21911.
The product of its (nonzero) digits is 96768, while the sum is 43.
The spelling of 71412904681 in words is "seventy-one billion, four hundred twelve million, nine hundred four thousand, six hundred eighty-one".
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