Base | Representation |
---|---|
bin | 10010111110011000… |
… | …101001010111101011 |
3 | 1221120220021111100111 |
4 | 102332120221113223 |
5 | 313211221014011 |
6 | 13205405315151 |
7 | 1320613103131 |
oct | 227630512753 |
9 | 57526244314 |
10 | 20374001131 |
11 | 8705657670 |
12 | 3b47265ab7 |
13 | 1bc9015493 |
14 | db3c3d751 |
15 | 7e39e6121 |
hex | 4be6295eb |
20374001131 has 16 divisors (see below), whose sum is σ = 23412072960. Its totient is φ = 17534918880.
The previous prime is 20374001113. The next prime is 20374001177. The reversal of 20374001131 is 13110047302.
It is a cyclic number.
It is not a de Polignac number, because 20374001131 - 25 = 20374001099 is a prime.
It is a super-2 number, since 2×203740011312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20374001111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278005 + ... + 343561.
It is an arithmetic number, because the mean of its divisors is an integer number (1463254560).
Almost surely, 220374001131 is an apocalyptic number.
20374001131 is a deficient number, since it is larger than the sum of its proper divisors (3038071829).
20374001131 is a wasteful number, since it uses less digits than its factorization.
20374001131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67074.
The product of its (nonzero) digits is 504, while the sum is 22.
Adding to 20374001131 its reverse (13110047302), we get a palindrome (33484048433).
The spelling of 20374001131 in words is "twenty billion, three hundred seventy-four million, one thousand, one hundred thirty-one".
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