Base | Representation |
---|---|
bin | 1011001001010101011110… |
… | …1000110001100111000000 |
3 | 1121101120022212011001110022 |
4 | 2302111113220301213000 |
5 | 3101241231033032430 |
6 | 42021512542153012 |
7 | 2403252423165500 |
oct | 262252750614700 |
9 | 47346285131408 |
10 | 12255012002240 |
11 | 39a5359873567 |
12 | 145b12a882768 |
13 | 6ab847c50377 |
14 | 305207cd7a00 |
15 | 163baac624e5 |
hex | b2557a319c0 |
12255012002240 has 168 divisors, whose sum is σ = 34296666067440. Its totient is φ = 4158401200128.
The previous prime is 12255012002183. The next prime is 12255012002323. The reversal of 12255012002240 is 4220021055221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2507750 + ... + 5549669.
It is an arithmetic number, because the mean of its divisors is an integer number (204146821830).
Almost surely, 212255012002240 is an apocalyptic number.
12255012002240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12255012002240 is an abundant number, since it is smaller than the sum of its proper divisors (22041654065200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12255012002240 is an equidigital number, since it uses as much as digits as its factorization.
12255012002240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8057547 (or 8057530 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 12255012002240 its reverse (4220021055221), we get a palindrome (16475033057461).
The spelling of 12255012002240 in words is "twelve trillion, two hundred fifty-five billion, twelve million, two thousand, two hundred forty".
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