Base | Representation |
---|---|
bin | 1111101000010… |
… | …01100010111010 |
3 | 100010201010121121 |
4 | 13310021202322 |
5 | 232031023343 |
6 | 21002055454 |
7 | 3151266046 |
oct | 764114272 |
9 | 303633547 |
10 | 131111098 |
11 | 68010788 |
12 | 37aaa58a |
13 | 21217441 |
14 | 135ad026 |
15 | b79caed |
hex | 7d098ba |
131111098 has 16 divisors (see below), whose sum is σ = 200880000. Its totient is φ = 64160992.
The previous prime is 131111093. The next prime is 131111107. The reversal of 131111098 is 890111131.
It is not an unprimeable number, because it can be changed into a prime (131111093) 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, 25878 + ... + 30526.
It is an arithmetic number, because the mean of its divisors is an integer number (12555000).
Almost surely, 2131111098 is an apocalyptic number.
131111098 is a deficient number, since it is larger than the sum of its proper divisors (69768902).
131111098 is a wasteful number, since it uses less digits than its factorization.
131111098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4949.
The product of its (nonzero) digits is 216, while the sum is 25.
The square root of 131111098 is about 11450.3754523596. The cubic root of 131111098 is about 508.0188395890.
It can be divided in two parts, 13 and 1111098, that added together give a palindrome (1111111).
The spelling of 131111098 in words is "one hundred thirty-one million, one hundred eleven thousand, ninety-eight".
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