Base | Representation |
---|---|
bin | 1011011011101000110111… |
… | …01000011000011110101110 |
3 | 10022000020220122220012102022 |
4 | 11231310123220120132232 |
5 | 11243333440212414400 |
6 | 125244353213030142 |
7 | 5203140361065323 |
oct | 555643350303656 |
9 | 108006818805368 |
10 | 25138907154350 |
11 | 801239479a610 |
12 | 29a0109185352 |
13 | 11047866c2852 |
14 | 62ca30036b4a |
15 | 2d8dc23a7b85 |
hex | 16dd1ba187ae |
25138907154350 has 192 divisors, whose sum is σ = 54039741235200. Its totient is φ = 8616819120000.
The previous prime is 25138907154331. The next prime is 25138907154407. The reversal of 25138907154350 is 5345170983152.
It is a super-2 number, since 2×251389071543502 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25138907154292 and 25138907154301.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100350551 + ... + 100600749.
It is an arithmetic number, because the mean of its divisors is an integer number (281456985600).
Almost surely, 225138907154350 is an apocalyptic number.
25138907154350 is an abundant number, since it is smaller than the sum of its proper divisors (28900834080850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25138907154350 is a wasteful number, since it uses less digits than its factorization.
25138907154350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250407 (or 250402 counting only the distinct ones).
The product of its (nonzero) digits is 4536000, while the sum is 53.
The spelling of 25138907154350 in words is "twenty-five trillion, one hundred thirty-eight billion, nine hundred seven million, one hundred fifty-four thousand, three hundred fifty".
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