Base | Representation |
---|---|
bin | 1000100010110111001011… |
… | …11010100010011000101000 |
3 | 2110112022101111022102210021 |
4 | 10101123211322202120220 |
5 | 4430324002313432420 |
6 | 103544005511530224 |
7 | 3646351546060063 |
oct | 421334572423050 |
9 | 73468344272707 |
10 | 18790044280360 |
11 | 5a948a4160481 |
12 | 2135777989974 |
13 | a63b80243782 |
14 | 48d62b8198da |
15 | 228b8b1377aa |
hex | 1116e5ea2628 |
18790044280360 has 32 divisors (see below), whose sum is σ = 42292715220360. Its totient is φ = 7513330496256.
The previous prime is 18790044280351. The next prime is 18790044280369. The reversal of 18790044280360 is 6308244009781.
It is an interprime number because it is at equal distance from previous prime (18790044280351) and next prime (18790044280369).
It can be written as a sum of positive squares in 4 ways, for example, as 18788774498404 + 1269781956 = 4334602^2 + 35634^2 .
It is a junction number, because it is equal to n+sod(n) for n = 18790044280298 and 18790044280307.
It is not an unprimeable number, because it can be changed into a prime (18790044280369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83862219 + ... + 84085978.
Almost surely, 218790044280360 is an apocalyptic number.
18790044280360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18790044280360 is an abundant number, since it is smaller than the sum of its proper divisors (23502670940000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18790044280360 is a wasteful number, since it uses less digits than its factorization.
18790044280360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167951005 (or 167951001 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 52.
The spelling of 18790044280360 in words is "eighteen trillion, seven hundred ninety billion, forty-four million, two hundred eighty thousand, three hundred sixty".
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