Base | Representation |
---|---|
bin | 11111010001010111111… |
… | …111000110110000000001 |
3 | 21121102211201000011101000 |
4 | 133101113333012300001 |
5 | 240202032202333023 |
6 | 4323115110402213 |
7 | 311154140662050 |
oct | 37212777066001 |
9 | 7542751004330 |
10 | 2148959808513 |
11 | 759406874751 |
12 | 2a8596360369 |
13 | 1278524738bb |
14 | 76020030397 |
15 | 3ad755dc243 |
hex | 1f457fc6c01 |
2148959808513 has 16 divisors (see below), whose sum is σ = 3638450469760. Its totient is φ = 1227977033328.
The previous prime is 2148959808503. The next prime is 2148959808553. The reversal of 2148959808513 is 3158089598412.
2148959808513 is a `hidden beast` number, since 21 + 4 + 8 + 9 + 5 + 98 + 0 + 8 + 513 = 666.
It is not a de Polignac number, because 2148959808513 - 24 = 2148959808497 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2148959808503) 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, 5685078670 + ... + 5685079047.
It is an arithmetic number, because the mean of its divisors is an integer number (227403154360).
Almost surely, 22148959808513 is an apocalyptic number.
It is an amenable number.
2148959808513 is a deficient number, since it is larger than the sum of its proper divisors (1489490661247).
2148959808513 is a wasteful number, since it uses less digits than its factorization.
2148959808513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11370157733 (or 11370157727 counting only the distinct ones).
The product of its (nonzero) digits is 24883200, while the sum is 63.
The spelling of 2148959808513 in words is "two trillion, one hundred forty-eight billion, nine hundred fifty-nine million, eight hundred eight thousand, five hundred thirteen".
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