Base | Representation |
---|---|
bin | 11101111011101001100… |
… | …00100011110010000111 |
3 | 10122022121212112120102220 |
4 | 32331310300203302013 |
5 | 113322234223222104 |
6 | 2104244410503423 |
7 | 134206046234031 |
oct | 16756460436207 |
9 | 3568555476386 |
10 | 1028456070279 |
11 | 367190704750 |
12 | 1473a3a34b73 |
13 | 75ca182a251 |
14 | 37ac57d4c51 |
15 | 1bb44a697d9 |
hex | ef74c23c87 |
1028456070279 has 16 divisors (see below), whose sum is σ = 1496944896384. Its totient is φ = 622886378400.
The previous prime is 1028456070263. The next prime is 1028456070281. The reversal of 1028456070279 is 9720706548201.
It is a happy number.
It is not a de Polignac number, because 1028456070279 - 24 = 1028456070263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028456070179) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10458592 + ... + 10556469.
It is an arithmetic number, because the mean of its divisors is an integer number (93559056024).
Almost surely, 21028456070279 is an apocalyptic number.
1028456070279 is a deficient number, since it is larger than the sum of its proper divisors (468488826105).
1028456070279 is a wasteful number, since it uses less digits than its factorization.
1028456070279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21016558.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 1028456070279 in words is "one trillion, twenty-eight billion, four hundred fifty-six million, seventy thousand, two hundred seventy-nine".
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