Base | Representation |
---|---|
bin | 11101010110010101… |
… | …000000111010011110 |
3 | 10000100012111101100221 |
4 | 131112111000322132 |
5 | 1004014324323124 |
6 | 22251003311554 |
7 | 2163632050426 |
oct | 352625007236 |
9 | 100305441327 |
10 | 31513120414 |
11 | 12401375876 |
12 | 613581b5ba |
13 | 2c829cc319 |
14 | 174d3a5486 |
15 | c468b5ce4 |
hex | 756540e9e |
31513120414 has 8 divisors (see below), whose sum is σ = 47306527560. Its totient is φ = 15744277896.
The previous prime is 31513120403. The next prime is 31513120421. The reversal of 31513120414 is 41402131513.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 6137949 + ... + 6143080.
It is an arithmetic number, because the mean of its divisors is an integer number (5913315945).
Almost surely, 231513120414 is an apocalyptic number.
31513120414 is a deficient number, since it is larger than the sum of its proper divisors (15793407146).
31513120414 is a wasteful number, since it uses less digits than its factorization.
31513120414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12282314.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 31513120414 its reverse (41402131513), we get a palindrome (72915251927).
The spelling of 31513120414 in words is "thirty-one billion, five hundred thirteen million, one hundred twenty thousand, four hundred fourteen".
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