Base | Representation |
---|---|
bin | 1011011101101101110111… |
… | …11000001010101000011110 |
3 | 10022021002020012120212111110 |
4 | 11232312323320022220132 |
5 | 11301021211132420410 |
6 | 125341243041402450 |
7 | 5211246052600446 |
oct | 556667370125036 |
9 | 108232205525443 |
10 | 25210315123230 |
11 | 803a6a8723526 |
12 | 29b1b17639426 |
13 | 110b426748b83 |
14 | 632285a37126 |
15 | 2daba13d4720 |
hex | 16edbbe0aa1e |
25210315123230 has 32 divisors (see below), whose sum is σ = 61333588579104. Its totient is φ = 6630658223616.
The previous prime is 25210315123223. The next prime is 25210315123247. The reversal of 25210315123230 is 3232151301252.
It is a super-2 number, since 2×252103151232302 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5755777519 + ... + 5755781898.
It is an arithmetic number, because the mean of its divisors is an integer number (1916674643097).
Almost surely, 225210315123230 is an apocalyptic number.
25210315123230 is an abundant number, since it is smaller than the sum of its proper divisors (36123273455874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25210315123230 is a wasteful number, since it uses less digits than its factorization.
25210315123230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11511559500.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 25210315123230 its reverse (3232151301252), we get a palindrome (28442466424482).
The spelling of 25210315123230 in words is "twenty-five trillion, two hundred ten billion, three hundred fifteen million, one hundred twenty-three thousand, two hundred thirty".
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