Base | Representation |
---|---|
bin | 1011111110100110100001… |
… | …0101010001110011111100 |
3 | 1201122001101022112221201121 |
4 | 2333221220111101303330 |
5 | 3211234401223403410 |
6 | 44002134125320324 |
7 | 2526336566044141 |
oct | 277515025216374 |
9 | 51561338487647 |
10 | 13170120137980 |
11 | 4218464523353 |
12 | 158855a7060a4 |
13 | 746c24787160 |
14 | 337619a123c8 |
15 | 17c8b98139da |
hex | bfa68551cfc |
13170120137980 has 48 divisors (see below), whose sum is σ = 30289559257440. Its totient is φ = 4780393014528.
The previous prime is 13170120137957. The next prime is 13170120137983. The reversal of 13170120137980 is 8973102107131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13170120137983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429258459 + ... + 429289138.
It is an arithmetic number, because the mean of its divisors is an integer number (631032484530).
Almost surely, 213170120137980 is an apocalyptic number.
13170120137980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13170120137980 is an abundant number, since it is smaller than the sum of its proper divisors (17119439119460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13170120137980 is a wasteful number, since it uses less digits than its factorization.
13170120137980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858547678 (or 858547676 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 43.
The spelling of 13170120137980 in words is "thirteen trillion, one hundred seventy billion, one hundred twenty million, one hundred thirty-seven thousand, nine hundred eighty".
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