Base | Representation |
---|---|
bin | 100000111111110… |
… | …0001110111011111 |
3 | 2212011100012121011 |
4 | 1001333201313133 |
5 | 4231414012311 |
6 | 301510320051 |
7 | 36302546062 |
oct | 10177416737 |
9 | 2764305534 |
10 | 1107172831 |
11 | 518a74376 |
12 | 26a959027 |
13 | 1484c276b |
14 | a70888d9 |
15 | 67301321 |
hex | 41fe1ddf |
1107172831 has 8 divisors (see below), whose sum is σ = 1117036800. Its totient is φ = 1097330520.
The previous prime is 1107172813. The next prime is 1107172879. The reversal of 1107172831 is 1382717011.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1107172831 - 25 = 1107172799 is a prime.
It is a super-2 number, since 2×11071728312 = 2451663355409109122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1107172793 and 1107172802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1107172811) 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, 107610 + ... + 117448.
It is an arithmetic number, because the mean of its divisors is an integer number (139629600).
Almost surely, 21107172831 is an apocalyptic number.
1107172831 is a deficient number, since it is larger than the sum of its proper divisors (9863969).
1107172831 is an equidigital number, since it uses as much as digits as its factorization.
1107172831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10829.
The product of its (nonzero) digits is 2352, while the sum is 31.
The square root of 1107172831 is about 33274.2066922714. The cubic root of 1107172831 is about 1034.5190047997.
Adding to 1107172831 its reverse (1382717011), we get a palindrome (2489889842).
The spelling of 1107172831 in words is "one billion, one hundred seven million, one hundred seventy-two thousand, eight hundred thirty-one".
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