Base | Representation |
---|---|
bin | 11101010000010100… |
… | …011110000000011111 |
3 | 10000002011210220011100 |
4 | 131100110132000133 |
5 | 1003313023023033 |
6 | 22233002524143 |
7 | 2161266156540 |
oct | 352024360037 |
9 | 100064726140 |
10 | 31412314143 |
11 | 1235a483601 |
12 | 6107b06653 |
13 | 2c67b65842 |
14 | 173dc444c7 |
15 | c3cb02513 |
hex | 75051e01f |
31412314143 has 24 divisors (see below), whose sum is σ = 51860135808. Its totient is φ = 17948202192.
The previous prime is 31412314139. The next prime is 31412314183. The reversal of 31412314143 is 34141321413.
31412314143 is a `hidden beast` number, since 3 + 14 + 1 + 231 + 414 + 3 = 666.
It is not a de Polignac number, because 31412314143 - 22 = 31412314139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31412314133) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004380 + ... + 1035182.
It is an arithmetic number, because the mean of its divisors is an integer number (2160838992).
Almost surely, 231412314143 is an apocalyptic number.
31412314143 is a deficient number, since it is larger than the sum of its proper divisors (20447821665).
31412314143 is a wasteful number, since it uses less digits than its factorization.
31412314143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47003 (or 47000 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
Adding to 31412314143 its reverse (34141321413), we get a palindrome (65553635556).
The spelling of 31412314143 in words is "thirty-one billion, four hundred twelve million, three hundred fourteen thousand, one hundred forty-three".
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