Base | Representation |
---|---|
bin | 1000001110101100011111… |
… | …00001011111111111100011 |
3 | 2101002001210101001221221110 |
4 | 10013112033201133333203 |
5 | 4333000332404013411 |
6 | 102253410105154403 |
7 | 3545321064425160 |
oct | 407261741377743 |
9 | 71061711057843 |
10 | 18097105141731 |
11 | 5847a37075500 |
12 | 204340ba8ba03 |
13 | a1371b89b815 |
14 | 467c94195067 |
15 | 215b31dbc2a6 |
hex | 10758f85ffe3 |
18097105141731 has 24 divisors (see below), whose sum is σ = 30311404759552. Its totient is φ = 9401093578800.
The previous prime is 18097105141721. The next prime is 18097105141771. The reversal of 18097105141731 is 13714150179081.
It is not a de Polignac number, because 18097105141731 - 25 = 18097105141699 is a prime.
It is a super-2 number, since 2×180971051417312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18097105141721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3561017755 + ... + 3561022836.
Almost surely, 218097105141731 is an apocalyptic number.
18097105141731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
18097105141731 is a deficient number, since it is larger than the sum of its proper divisors (12214299617821).
18097105141731 is a wasteful number, since it uses less digits than its factorization.
18097105141731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7122040623 (or 7122040612 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 48.
The spelling of 18097105141731 in words is "eighteen trillion, ninety-seven billion, one hundred five million, one hundred forty-one thousand, seven hundred thirty-one".
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