Base | Representation |
---|---|
bin | 10110111101111000111111… |
… | …110010001111000111000111 |
3 | 111020122110202022101000200102 |
4 | 112331320333302033013013 |
5 | 101214422201404013111 |
6 | 554455223203034315 |
7 | 30163511500034351 |
oct | 2675707762170707 |
9 | 436573668330612 |
10 | 101010111001031 |
11 | 2a204169371871 |
12 | b3b452996b99b |
13 | 444929c0c4b1b |
14 | 1ad2cb60340d1 |
15 | ba2788a1d13b |
hex | 5bde3fc8f1c7 |
101010111001031 has 2 divisors, whose sum is σ = 101010111001032. Its totient is φ = 101010111001030.
The previous prime is 101010111000991. The next prime is 101010111001067. The reversal of 101010111001031 is 130100111010101.
It is a strong prime.
It is an emirp because it is prime and its reverse (130100111010101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 101010111001031 - 234 = 100992931131847 is a prime.
It is a super-2 number, since 2×1010101110010312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101010111001231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505055500515 + 50505055500516.
It is an arithmetic number, because the mean of its divisors is an integer number (50505055500516).
Almost surely, 2101010111001031 is an apocalyptic number.
101010111001031 is a deficient number, since it is larger than the sum of its proper divisors (1).
101010111001031 is an equidigital number, since it uses as much as digits as its factorization.
101010111001031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3, while the sum is 11.
Adding to 101010111001031 its reverse (130100111010101), we get a palindrome (231110222011132).
The spelling of 101010111001031 in words is "one hundred one trillion, ten billion, one hundred eleven million, one thousand, thirty-one".
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