Base | Representation |
---|---|
bin | 1110001100011100110010… |
… | …11111001100011011000000 |
3 | 11002112001001110121121112112 |
4 | 13012032121133030123000 |
5 | 13042402440210301144 |
6 | 150215321035514452 |
7 | 6401100361650533 |
oct | 706163137143300 |
9 | 132461043547475 |
10 | 31214102431424 |
11 | 9a44910088650 |
12 | 36016038b8a28 |
13 | 145562861b223 |
14 | 79cab0812a1a |
15 | 391e3cacc99e |
hex | 1c63997cc6c0 |
31214102431424 has 56 divisors (see below), whose sum is σ = 67603419781968. Its totient is φ = 14181512970240.
The previous prime is 31214102431373. The next prime is 31214102431441. The reversal of 31214102431424 is 42413420141213.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9004217 + ... + 11979320.
It is an arithmetic number, because the mean of its divisors is an integer number (1207203924678).
Almost surely, 231214102431424 is an apocalyptic number.
It is an amenable number.
31214102431424 is an abundant number, since it is smaller than the sum of its proper divisors (36389317350544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31214102431424 is a wasteful number, since it uses less digits than its factorization.
31214102431424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20985673 (or 20985663 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
Adding to 31214102431424 its reverse (42413420141213), we get a palindrome (73627522572637).
The spelling of 31214102431424 in words is "thirty-one trillion, two hundred fourteen billion, one hundred two million, four hundred thirty-one thousand, four hundred twenty-four".
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