Base | Representation |
---|---|
bin | 110100100001101100111101… |
… | …101101111011011011010100 |
3 | 1010021221202122121210101002222 |
4 | 310201230331231323123110 |
5 | 220234420033444300040 |
6 | 2135154322544321512 |
7 | 66442146133442105 |
oct | 6441547555733324 |
9 | 1107852577711088 |
10 | 231014441400020 |
11 | 676767466aa933 |
12 | 21ab0191013298 |
13 | 9bb9750880c75 |
14 | 41092313903ac |
15 | 1ba9338352bb5 |
hex | d21b3db7b6d4 |
231014441400020 has 96 divisors (see below), whose sum is σ = 495283175735040. Its totient is φ = 90484850693120.
The previous prime is 231014441399921. The next prime is 231014441400077. The reversal of 231014441400020 is 20004144410132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308860814 + ... + 309607866.
It is an arithmetic number, because the mean of its divisors is an integer number (5159199747240).
Almost surely, 2231014441400020 is an apocalyptic number.
231014441400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231014441400020 is an abundant number, since it is smaller than the sum of its proper divisors (264268734335020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231014441400020 is a wasteful number, since it uses less digits than its factorization.
231014441400020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748145 (or 748143 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 231014441400020 its reverse (20004144410132), we get a palindrome (251018585810152).
The spelling of 231014441400020 in words is "two hundred thirty-one trillion, fourteen billion, four hundred forty-one million, four hundred thousand, twenty".
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