Base | Representation |
---|---|
bin | 1100101111101001001001… |
… | …00100111110101010011001 |
3 | 10200020012010121202011112110 |
4 | 12113310210210332222121 |
5 | 12133131230432430100 |
6 | 135334344515102533 |
7 | 5621521306254162 |
oct | 627644444765231 |
9 | 120205117664473 |
10 | 28025275280025 |
11 | 8a254a8307251 |
12 | 318759bba1a49 |
13 | 1283a0646559a |
14 | 6cc605660769 |
15 | 339005c48250 |
hex | 197d2493ea99 |
28025275280025 has 24 divisors (see below), whose sum is σ = 46468652449824. Its totient is φ = 14903739078400.
The previous prime is 28025275279993. The next prime is 28025275280063. The reversal of 28025275280025 is 52008257252082.
It is not a de Polignac number, because 28025275280025 - 25 = 28025275279993 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538403856 + ... + 538455905.
It is an arithmetic number, because the mean of its divisors is an integer number (1936193852076).
Almost surely, 228025275280025 is an apocalyptic number.
28025275280025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28025275280025 is a deficient number, since it is larger than the sum of its proper divisors (18443377169799).
28025275280025 is a wasteful number, since it uses less digits than its factorization.
28025275280025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1076860121 (or 1076860116 counting only the distinct ones).
The product of its (nonzero) digits is 1792000, while the sum is 48.
The spelling of 28025275280025 in words is "twenty-eight trillion, twenty-five billion, two hundred seventy-five million, two hundred eighty thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •