Base | Representation |
---|---|
bin | 110100101001011011011111… |
… | …000111001101000101001011 |
3 | 1010100211112020010202221021221 |
4 | 310221123133013031011023 |
5 | 220322120020103310430 |
6 | 2140242300243542511 |
7 | 66525414416303065 |
oct | 6451333707150513 |
9 | 1110745203687257 |
10 | 231545430135115 |
11 | 67860957a306a8 |
12 | 21b7708008aa37 |
13 | 9c27842b88785 |
14 | 4126c04076735 |
15 | 1bb80647b857a |
hex | d296df1cd14b |
231545430135115 has 8 divisors (see below), whose sum is σ = 277854884571600. Its totient is φ = 185236098501792.
The previous prime is 231545430135067. The next prime is 231545430135127. The reversal of 231545430135115 is 511531034545132.
It is a happy number.
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 231545430135115 - 231 = 231543282651467 is a prime.
It is a super-2 number, since 2×2315454301351152 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26500444 + ... + 34137433.
It is an arithmetic number, because the mean of its divisors is an integer number (34731860571450).
Almost surely, 2231545430135115 is an apocalyptic number.
231545430135115 is a deficient number, since it is larger than the sum of its proper divisors (46309454436485).
231545430135115 is an equidigital number, since it uses as much as digits as its factorization.
231545430135115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61401581.
The product of its (nonzero) digits is 540000, while the sum is 43.
The spelling of 231545430135115 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred thirty million, one hundred thirty-five thousand, one hundred fifteen".
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