Base | Representation |
---|---|
bin | 1011001000111101000111… |
… | …1001000000011001100000 |
3 | 1121100221110011010120201000 |
4 | 2302033101321000121200 |
5 | 3101134333111033010 |
6 | 42014512035512000 |
7 | 2402631403615542 |
oct | 262172171003140 |
9 | 47327404116630 |
10 | 12248473142880 |
11 | 39a2603854767 |
12 | 1459a04a58600 |
13 | 6ab045344c10 |
14 | 304b876d9692 |
15 | 163926b877c0 |
hex | b23d1e40660 |
12248473142880 has 384 divisors, whose sum is σ = 48174601789440. Its totient is φ = 2883921131520.
The previous prime is 12248473142879. The next prime is 12248473142887. The reversal of 12248473142880 is 8824137484221.
12248473142880 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 8 + 47 + 314 + 288 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12248473142887) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3449616 + ... + 6032975.
It is an arithmetic number, because the mean of its divisors is an integer number (125454692160).
Almost surely, 212248473142880 is an apocalyptic number.
12248473142880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12248473142880 is an abundant number, since it is smaller than the sum of its proper divisors (35926128646560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12248473142880 is a wasteful number, since it uses less digits than its factorization.
12248473142880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9482651 (or 9482637 counting only the distinct ones).
The product of its (nonzero) digits is 5505024, while the sum is 54.
The spelling of 12248473142880 in words is "twelve trillion, two hundred forty-eight billion, four hundred seventy-three million, one hundred forty-two thousand, eight hundred eighty".
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