Base | Representation |
---|---|
bin | 1000001100110010000011… |
… | …00101101100010001101010 |
3 | 2100211210010101122200120212 |
4 | 10012121001211230101222 |
5 | 4330411223003431310 |
6 | 102203255355421122 |
7 | 3540503143363631 |
oct | 406310145542152 |
9 | 70753111580525 |
10 | 18031373108330 |
11 | 582207605195a |
12 | 20327264547a2 |
13 | a0a474738cba |
14 | 464a1a328518 |
15 | 214086314205 |
hex | 10664196c46a |
18031373108330 has 32 divisors (see below), whose sum is σ = 32661619901568. Its totient is φ = 7166977070400.
The previous prime is 18031373108323. The next prime is 18031373108347. The reversal of 18031373108330 is 3380137313081.
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, 7834100 + ... + 9870960.
It is an arithmetic number, because the mean of its divisors is an integer number (1020675621924).
Almost surely, 218031373108330 is an apocalyptic number.
18031373108330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18031373108330 is a deficient number, since it is larger than the sum of its proper divisors (14630246793238).
18031373108330 is a wasteful number, since it uses less digits than its factorization.
18031373108330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2042462.
The product of its (nonzero) digits is 108864, while the sum is 41.
The spelling of 18031373108330 in words is "eighteen trillion, thirty-one billion, three hundred seventy-three million, one hundred eight thousand, three hundred thirty".
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