Base | Representation |
---|---|
bin | 101010101010000000001… |
… | …011011111101100010111 |
3 | 101101020020121022222022111 |
4 | 222222000023133230113 |
5 | 341011314424133134 |
6 | 10122343510011451 |
7 | 421531540346344 |
oct | 52520013375427 |
9 | 11336217288274 |
10 | 2931318192919 |
11 | a3018a778546 |
12 | 3b4138646b87 |
13 | 18356452027c |
14 | a1c3b3b97cb |
15 | 513b4c18c64 |
hex | 2aa802dfb17 |
2931318192919 has 16 divisors (see below), whose sum is σ = 3037117485600. Its totient is φ = 2827312621056.
The previous prime is 2931318192917. The next prime is 2931318192931. The reversal of 2931318192919 is 9192918131392.
2931318192919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2931318192919 - 21 = 2931318192917 is a prime.
It is a super-2 number, since 2×29313181929192 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2931318192917) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462827 + ... + 3453715.
It is an arithmetic number, because the mean of its divisors is an integer number (189819842850).
Almost surely, 22931318192919 is an apocalyptic number.
2931318192919 is a deficient number, since it is larger than the sum of its proper divisors (105799292681).
2931318192919 is an equidigital number, since it uses as much as digits as its factorization.
2931318192919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 991794.
The product of its digits is 1889568, while the sum is 58.
The spelling of 2931318192919 in words is "two trillion, nine hundred thirty-one billion, three hundred eighteen million, one hundred ninety-two thousand, nine hundred nineteen".
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