Base | Representation |
---|---|
bin | 1011010111110011001100… |
… | …01001101111010100100001 |
3 | 10021112122110202120121111200 |
4 | 11223321212021233110201 |
5 | 11234203330414121330 |
6 | 125104021404431413 |
7 | 5160461050643400 |
oct | 553714611572441 |
9 | 107478422517450 |
10 | 25007013426465 |
11 | 7a71462169714 |
12 | 297a63a248569 |
13 | 10c51c73a2295 |
14 | 6264bb257637 |
15 | 2d5753174a60 |
hex | 16be6626f521 |
25007013426465 has 72 divisors (see below), whose sum is σ = 50423985900288. Its totient is φ = 11431396388160.
The previous prime is 25007013426457. The next prime is 25007013426469. The reversal of 25007013426465 is 56462431070052.
25007013426465 is a `hidden beast` number, since 2 + 50 + 0 + 7 + 0 + 134 + 2 + 6 + 465 = 666.
It is not a de Polignac number, because 25007013426465 - 23 = 25007013426457 is a prime.
It is a super-2 number, since 2×250070134264652 (a number of 28 digits) contains 22 as substring.
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 25007013426465.
It is not an unprimeable number, because it can be changed into a prime (25007013426469) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72246160 + ... + 72591470.
It is an arithmetic number, because the mean of its divisors is an integer number (700333137504).
Almost surely, 225007013426465 is an apocalyptic number.
It is an amenable number.
25007013426465 is an abundant number, since it is smaller than the sum of its proper divisors (25416972473823).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25007013426465 is a wasteful number, since it uses less digits than its factorization.
25007013426465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378179 (or 378169 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 45.
The spelling of 25007013426465 in words is "twenty-five trillion, seven billion, thirteen million, four hundred twenty-six thousand, four hundred sixty-five".
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