Base | Representation |
---|---|
bin | 11101001010010111… |
… | …010111010110010000 |
3 | 2222211012211020102220 |
4 | 131022113113112100 |
5 | 1003111434110000 |
6 | 22215033341040 |
7 | 2155644044034 |
oct | 351227272620 |
9 | 88735736386 |
10 | 31312410000 |
11 | 123090480a3 |
12 | 609a567780 |
13 | 2c50256871 |
14 | 173087a1c4 |
15 | c33e6b1a0 |
hex | 74a5d7590 |
31312410000 has 100 divisors (see below), whose sum is σ = 101080731312. Its totient is φ = 8349968000.
The previous prime is 31312409941. The next prime is 31312410011. The reversal of 31312410000 is 1421313.
It is a tau number, because it is divible by the number of its divisors (100).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 491874 + ... + 551873.
Almost surely, 231312410000 is an apocalyptic number.
31312410000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31312410000 is an abundant number, since it is smaller than the sum of its proper divisors (69768321312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31312410000 is a wasteful number, since it uses less digits than its factorization.
31312410000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043778 (or 1043757 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 31312410000 its reverse (1421313), we get a palindrome (31313831313).
The spelling of 31312410000 in words is "thirty-one billion, three hundred twelve million, four hundred ten thousand".
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