Base | Representation |
---|---|
bin | 101110101011001010… |
… | …0101001010011001111 |
3 | 100120201101010120212210 |
4 | 1131112110221103033 |
5 | 3120234010003211 |
6 | 114013550201503 |
7 | 10145566124220 |
oct | 1352624512317 |
9 | 316641116783 |
10 | 100232500431 |
11 | 395656a7118 |
12 | 175137b3293 |
13 | 95b4a35b6b |
14 | 4bcbca3247 |
15 | 29198639a6 |
hex | 17565294cf |
100232500431 has 8 divisors (see below), whose sum is σ = 152735238784. Its totient is φ = 57275714520.
The previous prime is 100232500411. The next prime is 100232500439. The reversal of 100232500431 is 134005232001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 100232500431 - 215 = 100232467663 is a prime.
It is a super-2 number, since 2×1002325004312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4772976211 = 100232500431 / (1 + 0 + 0 + 2 + 3 + 2 + 5 + 0 + 0 + 4 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100232500398 and 100232500407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100232500439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386488085 + ... + 2386488126.
It is an arithmetic number, because the mean of its divisors is an integer number (19091904848).
Almost surely, 2100232500431 is an apocalyptic number.
100232500431 is a deficient number, since it is larger than the sum of its proper divisors (52502738353).
100232500431 is an equidigital number, since it uses as much as digits as its factorization.
100232500431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4772976221.
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 100232500431 its reverse (134005232001), we get a palindrome (234237732432).
The spelling of 100232500431 in words is "one hundred billion, two hundred thirty-two million, five hundred thousand, four hundred thirty-one".
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