Base | Representation |
---|---|
bin | 101101101110010011… |
… | …1000011010010101011 |
3 | 100101110001202110221020 |
4 | 1123130213003102223 |
5 | 3102043232131011 |
6 | 113035203143523 |
7 | 10044152344155 |
oct | 1333447032253 |
9 | 311401673836 |
10 | 98190505131 |
11 | 38707a868a4 |
12 | 17043974ba3 |
13 | 934a976a14 |
14 | 4a769d5ad5 |
15 | 284a458006 |
hex | 16dc9c34ab |
98190505131 has 32 divisors (see below), whose sum is σ = 139388055552. Its totient is φ = 61353119520.
The previous prime is 98190505121. The next prime is 98190505151. The reversal of 98190505131 is 13150509189.
It is a de Polignac number, because none of the positive numbers 2k-98190505131 is a prime.
It is a super-2 number, since 2×981905051312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (98190505121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737056 + ... + 860018.
It is an arithmetic number, because the mean of its divisors is an integer number (4355876736).
Almost surely, 298190505131 is an apocalyptic number.
98190505131 is a deficient number, since it is larger than the sum of its proper divisors (41197550421).
98190505131 is a wasteful number, since it uses less digits than its factorization.
98190505131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123223.
The product of its (nonzero) digits is 48600, while the sum is 42.
The spelling of 98190505131 in words is "ninety-eight billion, one hundred ninety million, five hundred five thousand, one hundred thirty-one".
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