Base | Representation |
---|---|
bin | 10111010010001001… |
… | …10001100101111110 |
3 | 1012021011110220020120 |
4 | 23221010301211332 |
5 | 201100032341010 |
6 | 5424220155410 |
7 | 621524415051 |
oct | 135104614576 |
9 | 35234426216 |
10 | 12500277630 |
11 | 5335098665 |
12 | 250a398b66 |
13 | 12429b60a9 |
14 | 868246a98 |
15 | 4d2640e70 |
hex | 2e913197e |
12500277630 has 16 divisors (see below), whose sum is σ = 30000666384. Its totient is φ = 3333407360.
The previous prime is 12500277583. The next prime is 12500277637. The reversal of 12500277630 is 3677200521.
It is a junction number, because it is equal to n+sod(n) for n = 12500277591 and 12500277600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12500277637) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208337931 + ... + 208337990.
It is an arithmetic number, because the mean of its divisors is an integer number (1875041649).
Almost surely, 212500277630 is an apocalyptic number.
12500277630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12500277630 is an abundant number, since it is smaller than the sum of its proper divisors (17500388754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12500277630 is a wasteful number, since it uses less digits than its factorization.
12500277630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416675931.
The product of its (nonzero) digits is 17640, while the sum is 33.
The spelling of 12500277630 in words is "twelve billion, five hundred million, two hundred seventy-seven thousand, six hundred thirty".
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