Base | Representation |
---|---|
bin | 11101001001110000… |
… | …111000101110110100 |
3 | 2222210111211202211220 |
4 | 131021300320232310 |
5 | 1003101343314444 |
6 | 22214033230340 |
7 | 2155462233162 |
oct | 351160705664 |
9 | 88714752756 |
10 | 31302323124 |
11 | 12303388736 |
12 | 60971023b0 |
13 | 2c4b1345b7 |
14 | 172d3b2232 |
15 | c33127619 |
hex | 749c38bb4 |
31302323124 has 12 divisors (see below), whose sum is σ = 73038753984. Its totient is φ = 10434107704.
The previous prime is 31302323119. The next prime is 31302323153. The reversal of 31302323124 is 42132320313.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 31302323094 and 31302323103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304263452 + ... + 1304263475.
It is an arithmetic number, because the mean of its divisors is an integer number (6086562832).
Almost surely, 231302323124 is an apocalyptic number.
It is an amenable number.
31302323124 is an abundant number, since it is smaller than the sum of its proper divisors (41736430860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31302323124 is a wasteful number, since it uses less digits than its factorization.
31302323124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2608526934 (or 2608526932 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 31302323124 its reverse (42132320313), we get a palindrome (73434643437).
The spelling of 31302323124 in words is "thirty-one billion, three hundred two million, three hundred twenty-three thousand, one hundred twenty-four".
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