Base | Representation |
---|---|
bin | 1101011110000010010… |
… | …1111011000000100101 |
3 | 211010021202101012201102 |
4 | 3113200211323000211 |
5 | 12242402213212401 |
6 | 254145421005445 |
7 | 22501224426362 |
oct | 3274045730045 |
9 | 733252335642 |
10 | 231401304101 |
11 | 8a1560047a0 |
12 | 38a1b9b3885 |
13 | 18a89acb4a6 |
14 | b2b269b469 |
15 | 60450ee56b |
hex | 35e097b025 |
231401304101 has 4 divisors (see below), whose sum is σ = 252437786304. Its totient is φ = 210364821900.
The previous prime is 231401304091. The next prime is 231401304131. The reversal of 231401304101 is 101403104132.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231401304101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231401304131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10518241085 + ... + 10518241106.
It is an arithmetic number, because the mean of its divisors is an integer number (63109446576).
Almost surely, 2231401304101 is an apocalyptic number.
It is an amenable number.
231401304101 is a deficient number, since it is larger than the sum of its proper divisors (21036482203).
231401304101 is a wasteful number, since it uses less digits than its factorization.
231401304101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21036482202.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 231401304101 its reverse (101403104132), we get a palindrome (332804408233).
The spelling of 231401304101 in words is "two hundred thirty-one billion, four hundred one million, three hundred four thousand, one hundred one".
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