Base | Representation |
---|---|
bin | 1011011001011000010111… |
… | …11110100001111011111001 |
3 | 10021201211200112102020012000 |
4 | 11230230023332201323321 |
5 | 11241101103242112330 |
6 | 125145003551011213 |
7 | 5164423150445610 |
oct | 554541376417371 |
9 | 107654615366160 |
10 | 25061335113465 |
11 | 7a924a8362112 |
12 | 298907a509b09 |
13 | 10ca3735b5741 |
14 | 628d91918877 |
15 | 2d6d82134560 |
hex | 16cb0bfa1ef9 |
25061335113465 has 128 divisors (see below), whose sum is σ = 55370582277120. Its totient is φ = 10491267723264.
The previous prime is 25061335113319. The next prime is 25061335113467. The reversal of 25061335113465 is 56431153316052.
25061335113465 is a `hidden beast` number, since 2 + 5 + 0 + 6 + 133 + 51 + 1 + 3 + 465 = 666.
It is not a de Polignac number, because 25061335113465 - 222 = 25061330919161 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 25061335113465.
It is not an unprimeable number, because it can be changed into a prime (25061335113467) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20486622 + ... + 21675431.
It is an arithmetic number, because the mean of its divisors is an integer number (432582674040).
Almost surely, 225061335113465 is an apocalyptic number.
It is an amenable number.
25061335113465 is an abundant number, since it is smaller than the sum of its proper divisors (30309247163655).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25061335113465 is a wasteful number, since it uses less digits than its factorization.
25061335113465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42162128 (or 42162122 counting only the distinct ones).
The product of its (nonzero) digits is 972000, while the sum is 45.
The spelling of 25061335113465 in words is "twenty-five trillion, sixty-one billion, three hundred thirty-five million, one hundred thirteen thousand, four hundred sixty-five".
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