Base | Representation |
---|---|
bin | 10111100001001000… |
… | …10101001100110111 |
3 | 1012120221000202211010 |
4 | 23300210111030313 |
5 | 201324223143310 |
6 | 5444510443303 |
7 | 624612101541 |
oct | 136044251467 |
9 | 35527022733 |
10 | 12625990455 |
11 | 539a051561 |
12 | 2544503533 |
13 | 1262a60390 |
14 | 87ac0c691 |
15 | 4dd6c4320 |
hex | 2f0915337 |
12625990455 has 64 divisors (see below), whose sum is σ = 22682322432. Its totient is φ = 5956554240.
The previous prime is 12625990417. The next prime is 12625990469. The reversal of 12625990455 is 55409952621.
12625990455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12625990455 - 28 = 12625990199 is a prime.
It is a super-2 number, since 2×126259904552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 430200 + ... + 458610.
It is an arithmetic number, because the mean of its divisors is an integer number (354411288).
Almost surely, 212625990455 is an apocalyptic number.
12625990455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12625990455 is a deficient number, since it is larger than the sum of its proper divisors (10056331977).
12625990455 is a wasteful number, since it uses less digits than its factorization.
12625990455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28528.
The product of its (nonzero) digits is 972000, while the sum is 48.
The spelling of 12625990455 in words is "twelve billion, six hundred twenty-five million, nine hundred ninety thousand, four hundred fifty-five".
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