Base | Representation |
---|---|
bin | 100100101111111111011… |
… | …001100000110001000000 |
3 | 22221102120121100222210100 |
4 | 210233333121200301000 |
5 | 312334040223240030 |
6 | 5212100012002400 |
7 | 350312345412450 |
oct | 44577731406100 |
9 | 8842517328710 |
10 | 2525430680640 |
11 | 89403586601a |
12 | 349541760400 |
13 | 1541bb20c96a |
14 | 8a335329d60 |
15 | 45a5b507360 |
hex | 24bff660c40 |
2525430680640 has 336 divisors, whose sum is σ = 10511310805632. Its totient is φ = 543285854208.
The previous prime is 2525430680627. The next prime is 2525430680677. The reversal of 2525430680640 is 460860345252.
2525430680640 is a `hidden beast` number, since 2 + 5 + 2 + 543 + 0 + 68 + 0 + 6 + 40 = 666.
It is a tau number, because it is divible by the number of its divisors (336).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3341674 + ... + 4027113.
It is an arithmetic number, because the mean of its divisors is an integer number (31283663112).
Almost surely, 22525430680640 is an apocalyptic number.
2525430680640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2525430680640 is an abundant number, since it is smaller than the sum of its proper divisors (7985880124992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2525430680640 is a wasteful number, since it uses less digits than its factorization.
2525430680640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7368834 (or 7368821 counting only the distinct ones).
The product of its (nonzero) digits is 1382400, while the sum is 45.
The spelling of 2525430680640 in words is "two trillion, five hundred twenty-five billion, four hundred thirty million, six hundred eighty thousand, six hundred forty".
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