Base | Representation |
---|---|
bin | 1000100001011011010100… |
… | …11101101100110000101100 |
3 | 2110100121002120221100112202 |
4 | 10100231222131230300230 |
5 | 4424022002442422420 |
6 | 103505212151121032 |
7 | 3642654502521566 |
oct | 420555235546054 |
9 | 73317076840482 |
10 | 18740728482860 |
11 | 5a7599772793a |
12 | 21280b4073178 |
13 | a5c3211717c7 |
14 | 48b0add10336 |
15 | 227751894575 |
hex | 110b6a76cc2c |
18740728482860 has 48 divisors (see below), whose sum is σ = 40120355413152. Its totient is φ = 7350767424000.
The previous prime is 18740728482829. The next prime is 18740728482899. The reversal of 18740728482860 is 6828482704781.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2999306 + ... + 6817425.
It is an arithmetic number, because the mean of its divisors is an integer number (835840737774).
Almost surely, 218740728482860 is an apocalyptic number.
18740728482860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18740728482860 is an abundant number, since it is smaller than the sum of its proper divisors (21379626930292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18740728482860 is a wasteful number, since it uses less digits than its factorization.
18740728482860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9818594 (or 9818592 counting only the distinct ones).
The product of its (nonzero) digits is 77070336, while the sum is 65.
The spelling of 18740728482860 in words is "eighteen trillion, seven hundred forty billion, seven hundred twenty-eight million, four hundred eighty-two thousand, eight hundred sixty".
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