Base | Representation |
---|---|
bin | 10010110101010101… |
… | …11010001100001111 |
3 | 222002122212202011100 |
4 | 21122222322030033 |
5 | 131201422214211 |
6 | 4351152354143 |
7 | 505364131131 |
oct | 113252721417 |
9 | 28078782140 |
10 | 10111132431 |
11 | 431951a4a4 |
12 | 1b62245953 |
13 | c51a2b0ca |
14 | 6bcc11051 |
15 | 3e2a11156 |
hex | 25aaba30f |
10111132431 has 24 divisors (see below), whose sum is σ = 15131170080. Its totient is φ = 6498588096.
The previous prime is 10111132429. The next prime is 10111132433. The reversal of 10111132431 is 13423111101.
It is a happy number.
10111132431 is a `hidden beast` number, since 101 + 1 + 1 + 132 + 431 = 666.
It is an interprime number because it is at equal distance from previous prime (10111132429) and next prime (10111132433).
It is not a de Polignac number, because 10111132431 - 21 = 10111132429 is a prime.
It is a super-2 number, since 2×101111324312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10111132433) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148086 + ... + 205308.
It is an arithmetic number, because the mean of its divisors is an integer number (630465420).
Almost surely, 210111132431 is an apocalyptic number.
10111132431 is a deficient number, since it is larger than the sum of its proper divisors (5020037649).
10111132431 is a wasteful number, since it uses less digits than its factorization.
10111132431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57935 (or 57932 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 10111132431 its reverse (13423111101), we get a palindrome (23534243532).
The spelling of 10111132431 in words is "ten billion, one hundred eleven million, one hundred thirty-two thousand, four hundred thirty-one".
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