Base | Representation |
---|---|
bin | 10100110100110011011… |
… | …101111000100011011111 |
3 | 12001210212221202120001211 |
4 | 110310303131320203133 |
5 | 141421331410101112 |
6 | 3013233233245251 |
7 | 205251453510121 |
oct | 24646335704337 |
9 | 5053787676054 |
10 | 1431087581407 |
11 | 501a146a4330 |
12 | 1b1430403827 |
13 | a4c493c2263 |
14 | 4d39d27d211 |
15 | 2735c4ba0a7 |
hex | 14d337788df |
1431087581407 has 8 divisors (see below), whose sum is σ = 1561941038160. Its totient is φ = 1300359888960.
The previous prime is 1431087581381. The next prime is 1431087581411. The reversal of 1431087581407 is 7041857801341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1431087581407 - 27 = 1431087581279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431007581407) 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, 31417278 + ... + 31462795.
It is an arithmetic number, because the mean of its divisors is an integer number (195242629770).
Almost surely, 21431087581407 is an apocalyptic number.
1431087581407 is a deficient number, since it is larger than the sum of its proper divisors (130853456753).
1431087581407 is a wasteful number, since it uses less digits than its factorization.
1431087581407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62882153.
The product of its (nonzero) digits is 752640, while the sum is 49.
The spelling of 1431087581407 in words is "one trillion, four hundred thirty-one billion, eighty-seven million, five hundred eighty-one thousand, four hundred seven".
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