Base | Representation |
---|---|
bin | 1110001010011010011010… |
… | …10000110001000010100111 |
3 | 11002021100101011102011011000 |
4 | 13011031031100301002213 |
5 | 13040231111122312403 |
6 | 150123223124444343 |
7 | 6363041634665514 |
oct | 705151520610247 |
9 | 132240334364130 |
10 | 31144104104103 |
11 | 9a1815a929261 |
12 | 35abb295496b3 |
13 | 144bb5163b033 |
14 | 79955011430b |
15 | 3901e26ec7a3 |
hex | 1c534d4310a7 |
31144104104103 has 16 divisors (see below), whose sum is σ = 46144126310400. Its totient is φ = 20760615299160.
The previous prime is 31144104104063. The next prime is 31144104104117. The reversal of 31144104104103 is 30140140144113.
31144104104103 is a `hidden beast` number, since 3 + 1 + 144 + 1 + 0 + 410 + 4 + 103 = 666.
It is not a de Polignac number, because 31144104104103 - 237 = 31006665150631 is a prime.
It is a super-2 number, since 2×311441041041032 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31144104102103) 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, 58641033 + ... + 59169746.
It is an arithmetic number, because the mean of its divisors is an integer number (2884007894400).
Almost surely, 231144104104103 is an apocalyptic number.
31144104104103 is a deficient number, since it is larger than the sum of its proper divisors (15000022206297).
31144104104103 is a wasteful number, since it uses less digits than its factorization.
31144104104103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117820579 (or 117820573 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 31144104104103 its reverse (30140140144113), we get a palindrome (61284244248216).
The spelling of 31144104104103 in words is "thirty-one trillion, one hundred forty-four billion, one hundred four million, one hundred four thousand, one hundred three".
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