Base | Representation |
---|---|
bin | 11101011000010001101… |
… | …001011000100101100111 |
3 | 21011000012202021120012211 |
4 | 131120101221120211213 |
5 | 231034232224043112 |
6 | 4143252311224251 |
7 | 265601661501211 |
oct | 35302151304547 |
9 | 7130182246184 |
10 | 2018930690407 |
11 | 709250817774 |
12 | 287347978087 |
13 | 1184cc545627 |
14 | 6da06b455b1 |
15 | 377b4e260a7 |
hex | 1d611a58967 |
2018930690407 has 2 divisors, whose sum is σ = 2018930690408. Its totient is φ = 2018930690406.
The previous prime is 2018930690389. The next prime is 2018930690419. The reversal of 2018930690407 is 7040960398102.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2018930690407 is a prime.
It is a super-2 number, since 2×20189306904072 (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 (2018930690207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009465345203 + 1009465345204.
It is an arithmetic number, because the mean of its divisors is an integer number (1009465345204).
Almost surely, 22018930690407 is an apocalyptic number.
2018930690407 is a deficient number, since it is larger than the sum of its proper divisors (1).
2018930690407 is an equidigital number, since it uses as much as digits as its factorization.
2018930690407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 653184, while the sum is 49.
The spelling of 2018930690407 in words is "two trillion, eighteen billion, nine hundred thirty million, six hundred ninety thousand, four hundred seven".
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