Base | Representation |
---|---|
bin | 1011011111100111010010… |
… | …01101000010010000000111 |
3 | 10022111022111001120200011202 |
4 | 11233303221031002100013 |
5 | 11303103211004444322 |
6 | 125431223205253115 |
7 | 5216044311555560 |
oct | 557635115022007 |
9 | 108438431520152 |
10 | 25275500078087 |
11 | 8065308954946 |
12 | 2a02689a0419b |
13 | 1114614451b8c |
14 | 6354aad75167 |
15 | 2dc718e25292 |
hex | 16fce9342407 |
25275500078087 has 8 divisors (see below), whose sum is σ = 28895349614976. Its totient is φ = 21657916494072.
The previous prime is 25275500078083. The next prime is 25275500078089. The reversal of 25275500078087 is 78087000557252.
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 25275500078087 - 22 = 25275500078083 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 (25275500078083) 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, 566464313 + ... + 566508930.
It is an arithmetic number, because the mean of its divisors is an integer number (3611918701872).
Almost surely, 225275500078087 is an apocalyptic number.
25275500078087 is a deficient number, since it is larger than the sum of its proper divisors (3619849536889).
25275500078087 is a wasteful number, since it uses less digits than its factorization.
25275500078087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132976437.
The product of its (nonzero) digits is 10976000, while the sum is 56.
The spelling of 25275500078087 in words is "twenty-five trillion, two hundred seventy-five billion, five hundred million, seventy-eight thousand, eighty-seven".
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