Base | Representation |
---|---|
bin | 10011000000000101… |
… | …00111000001000111 |
3 | 222022221102020202100 |
4 | 21200002213001013 |
5 | 131343003401211 |
6 | 4404131443143 |
7 | 510540015336 |
oct | 114002470107 |
9 | 28287366670 |
10 | 10201231431 |
11 | 4365369186 |
12 | 1b884564b3 |
13 | c675b6121 |
14 | 6cab85d1d |
15 | 3ea8ac156 |
hex | 2600a7047 |
10201231431 has 6 divisors (see below), whose sum is σ = 14735112080. Its totient is φ = 6800820948.
The previous prime is 10201231421. The next prime is 10201231441. The reversal of 10201231431 is 13413210201.
10201231431 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 1 + 231 + 431 = 666.
It is an interprime number because it is at equal distance from previous prime (10201231421) and next prime (10201231441).
It is not a de Polignac number, because 10201231431 - 25 = 10201231399 is a prime.
It is a super-2 number, since 2×102012314312 (a number of 21 digits) 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 (10201231421) 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, 566735071 + ... + 566735088.
Almost surely, 210201231431 is an apocalyptic number.
10201231431 is a deficient number, since it is larger than the sum of its proper divisors (4533880649).
10201231431 is a wasteful number, since it uses less digits than its factorization.
10201231431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1133470165 (or 1133470162 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10201231431 its reverse (13413210201), we get a palindrome (23614441632).
The spelling of 10201231431 in words is "ten billion, two hundred one million, two hundred thirty-one thousand, four hundred thirty-one".
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