Base | Representation |
---|---|
bin | 1011011110100101110110… |
… | …1011011100001001110000 |
3 | 1122200110220102200002020210 |
4 | 2313221131223130021300 |
5 | 3123232120002143430 |
6 | 42501344435304120 |
7 | 2441530651341243 |
oct | 267513553341160 |
9 | 48613812602223 |
10 | 12620185584240 |
11 | 4026210833623 |
12 | 14b9a6274b040 |
13 | 707103302580 |
14 | 318b6aa5725a |
15 | 16d42ee672b0 |
hex | b7a5dadc270 |
12620185584240 has 160 divisors (see below), whose sum is σ = 42133343918400. Its totient is φ = 3106408439808.
The previous prime is 12620185584229. The next prime is 12620185584257. The reversal of 12620185584240 is 4248558102621.
It is a super-2 number, since 2×126201855842402 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 12620185584240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170854836 + ... + 170928684.
It is an arithmetic number, because the mean of its divisors is an integer number (263333399490).
Almost surely, 212620185584240 is an apocalyptic number.
12620185584240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12620185584240 is an abundant number, since it is smaller than the sum of its proper divisors (29513158334160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12620185584240 is a wasteful number, since it uses less digits than its factorization.
12620185584240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128651 (or 128645 counting only the distinct ones).
The product of its (nonzero) digits is 1228800, while the sum is 48.
The spelling of 12620185584240 in words is "twelve trillion, six hundred twenty billion, one hundred eighty-five million, five hundred eighty-four thousand, two hundred forty".
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