Base | Representation |
---|---|
bin | 111100111110111… |
… | …101010110000111 |
3 | 2122022012202022212 |
4 | 330332331112013 |
5 | 4043410342114 |
6 | 245305214035 |
7 | 34232344112 |
oct | 7476752607 |
9 | 2568182285 |
10 | 1023137159 |
11 | 485597100 |
12 | 24679131b |
13 | 133c7b505 |
14 | 99c51579 |
15 | 5ec51b3e |
hex | 3cfbd587 |
1023137159 has 6 divisors (see below), whose sum is σ = 1124605440. Its totient is φ = 930124580.
The previous prime is 1023137131. The next prime is 1023137183. The reversal of 1023137159 is 9517313201.
It is not a de Polignac number, because 1023137159 - 28 = 1023136903 is a prime.
It is a super-2 number, since 2×10231371592 = 2093619292253182562, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023137189) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4227719 + ... + 4227960.
It is an arithmetic number, because the mean of its divisors is an integer number (187434240).
Almost surely, 21023137159 is an apocalyptic number.
1023137159 is a deficient number, since it is larger than the sum of its proper divisors (101468281).
1023137159 is an equidigital number, since it uses as much as digits as its factorization.
1023137159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8455701 (or 8455690 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 1023137159 is about 31986.5152681564. The cubic root of 1023137159 is about 1007.6536583999.
The spelling of 1023137159 in words is "one billion, twenty-three million, one hundred thirty-seven thousand, one hundred fifty-nine".
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