Base | Representation |
---|---|
bin | 1000000001010101… |
… | …1011001111000111 |
3 | 12120001102211021000 |
4 | 2000111123033013 |
5 | 13402143201411 |
6 | 553352224343 |
7 | 104233023102 |
oct | 20025331707 |
9 | 5501384230 |
10 | 2153100231 |
11 | a05407087 |
12 | 50109b0b3 |
13 | 2840c0409 |
14 | 165d4d739 |
15 | c9055956 |
hex | 8055b3c7 |
2153100231 has 16 divisors (see below), whose sum is σ = 3196627200. Its totient is φ = 1432318104.
The previous prime is 2153100223. The next prime is 2153100239. The reversal of 2153100231 is 1320013512.
It is an interprime number because it is at equal distance from previous prime (2153100223) and next prime (2153100239).
It is not a de Polignac number, because 2153100231 - 23 = 2153100223 is a prime.
It is a super-2 number, since 2×21531002312 = 9271681209464506722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2153100239) 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, 72771 + ... + 97988.
It is an arithmetic number, because the mean of its divisors is an integer number (199789200).
Almost surely, 22153100231 is an apocalyptic number.
2153100231 is a deficient number, since it is larger than the sum of its proper divisors (1043526969).
2153100231 is a wasteful number, since it uses less digits than its factorization.
2153100231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171235 (or 171229 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 2153100231 is about 46401.5110853084. The cubic root of 2153100231 is about 1291.2829475482.
Adding to 2153100231 its reverse (1320013512), we get a palindrome (3473113743).
The spelling of 2153100231 in words is "two billion, one hundred fifty-three million, one hundred thousand, two hundred thirty-one".
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