Base | Representation |
---|---|
bin | 10101110001101001… |
… | …000101001100111101 |
3 | 2020100111021202200200 |
4 | 111301221011030331 |
5 | 340341121243401 |
6 | 14424041114113 |
7 | 1455261612420 |
oct | 256151051475 |
9 | 66314252620 |
10 | 23381431101 |
11 | 9a09232286 |
12 | 4646488939 |
13 | 22880cb842 |
14 | 11bb41b9b7 |
15 | 91ca56686 |
hex | 571a4533d |
23381431101 has 48 divisors (see below), whose sum is σ = 39582017280. Its totient is φ = 13024408320.
The previous prime is 23381431097. The next prime is 23381431123. The reversal of 23381431101 is 10113418332.
23381431101 is a `hidden beast` number, since 2 + 338 + 14 + 311 + 0 + 1 = 666.
It is not a de Polignac number, because 23381431101 - 22 = 23381431097 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23381431001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368731 + ... + 427463.
It is an arithmetic number, because the mean of its divisors is an integer number (824625360).
Almost surely, 223381431101 is an apocalyptic number.
23381431101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23381431101 is a deficient number, since it is larger than the sum of its proper divisors (16200586179).
23381431101 is a wasteful number, since it uses less digits than its factorization.
23381431101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58906 (or 58903 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 23381431101 its reverse (10113418332), we get a palindrome (33494849433).
The spelling of 23381431101 in words is "twenty-three billion, three hundred eighty-one million, four hundred thirty-one thousand, one hundred one".
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