Base | Representation |
---|---|
bin | 10010110000000101… |
… | …100111010101000111 |
3 | 1220222011220211102010 |
4 | 102300011213111013 |
5 | 312213314143030 |
6 | 13125520145303 |
7 | 1311641201265 |
oct | 226005472507 |
9 | 56864824363 |
10 | 20134131015 |
11 | 85a22126a9 |
12 | 3a9aa68233 |
13 | 1b8b40b7bb |
14 | d9003d435 |
15 | 7cc9136b0 |
hex | 4b0167547 |
20134131015 has 32 divisors (see below), whose sum is σ = 32976700416. Its totient is φ = 10484369280.
The previous prime is 20134130993. The next prime is 20134131089. The reversal of 20134131015 is 51013143102.
It is not a de Polignac number, because 20134131015 - 29 = 20134130503 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20134130982 and 20134131000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337697 + ... + 2346293.
It is an arithmetic number, because the mean of its divisors is an integer number (1030521888).
Almost surely, 220134131015 is an apocalyptic number.
20134131015 is a deficient number, since it is larger than the sum of its proper divisors (12842569401).
20134131015 is a wasteful number, since it uses less digits than its factorization.
20134131015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12279.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 20134131015 its reverse (51013143102), we get a palindrome (71147274117).
The spelling of 20134131015 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-one thousand, fifteen".
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