Base | Representation |
---|---|
bin | 11110100100101111001… |
… | …001110001110111001111 |
3 | 21102212010101210201100121 |
4 | 132210233021301313033 |
5 | 233410402201203211 |
6 | 4245111102405411 |
7 | 304536325121563 |
oct | 36445711616717 |
9 | 7385111721317 |
10 | 2101030100431 |
11 | 740050799659 |
12 | 29b23a890867 |
13 | 1231845bc8a2 |
14 | 739946556a3 |
15 | 399bc892271 |
hex | 1e92f271dcf |
2101030100431 has 2 divisors, whose sum is σ = 2101030100432. Its totient is φ = 2101030100430.
The previous prime is 2101030100387. The next prime is 2101030100437. The reversal of 2101030100431 is 1340010301012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2101030100431 - 221 = 2101028003279 is a prime.
It is a super-2 number, since 2×21010301004312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2101030100437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050515050215 + 1050515050216.
It is an arithmetic number, because the mean of its divisors is an integer number (1050515050216).
Almost surely, 22101030100431 is an apocalyptic number.
2101030100431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2101030100431 is an equidigital number, since it uses as much as digits as its factorization.
2101030100431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 2101030100431 its reverse (1340010301012), we get a palindrome (3441040401443).
The spelling of 2101030100431 in words is "two trillion, one hundred one billion, thirty million, one hundred thousand, four hundred thirty-one".
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