Base | Representation |
---|---|
bin | 101101101000000000… |
… | …0111010110101011111 |
3 | 100100220100010011200120 |
4 | 1123100000322311133 |
5 | 3101130132314211 |
6 | 113002213530023 |
7 | 10036005211044 |
oct | 1332000726537 |
9 | 310810104616 |
10 | 97979182431 |
11 | 3860976aa39 |
12 | 16ba5043913 |
13 | 9315c56ac0 |
14 | 4a569071cb |
15 | 2836b13d06 |
hex | 16d003ad5f |
97979182431 has 32 divisors (see below), whose sum is σ = 143117694720. Its totient is φ = 59254255104.
The previous prime is 97979182429. The next prime is 97979182447. The reversal of 97979182431 is 13428197979.
It is not a de Polignac number, because 97979182431 - 21 = 97979182429 is a prime.
It is a super-2 number, since 2×979791824312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97979182331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11839111 + ... + 11847383.
It is an arithmetic number, because the mean of its divisors is an integer number (4472427960).
Almost surely, 297979182431 is an apocalyptic number.
97979182431 is a deficient number, since it is larger than the sum of its proper divisors (45138512289).
97979182431 is a wasteful number, since it uses less digits than its factorization.
97979182431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13495.
The product of its digits is 6858432, while the sum is 60.
The spelling of 97979182431 in words is "ninety-seven billion, nine hundred seventy-nine million, one hundred eighty-two thousand, four hundred thirty-one".
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