Base | Representation |
---|---|
bin | 11101001111101001… |
… | …010011110100111101 |
3 | 10000001101112002102101 |
4 | 131033221103310331 |
5 | 1003302124002003 |
6 | 22231520225101 |
7 | 2161101045460 |
oct | 351751236475 |
9 | 100041462371 |
10 | 31401000253 |
11 | 12354056287 |
12 | 610416b191 |
13 | 2c65703c2c |
14 | 173c53b2d7 |
15 | c3bb1a11d |
hex | 74fa53d3d |
31401000253 has 8 divisors (see below), whose sum is σ = 35888140160. Its totient is φ = 26914181040.
The previous prime is 31401000233. The next prime is 31401000269. The reversal of 31401000253 is 35200010413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31401000253 - 29 = 31400999741 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31401000253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31401000233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190648 + ... + 314878.
It is an arithmetic number, because the mean of its divisors is an integer number (4486017520).
Almost surely, 231401000253 is an apocalyptic number.
It is an amenable number.
31401000253 is a deficient number, since it is larger than the sum of its proper divisors (4487139907).
31401000253 is a wasteful number, since it uses less digits than its factorization.
31401000253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160347.
The product of its (nonzero) digits is 360, while the sum is 19.
Adding to 31401000253 its reverse (35200010413), we get a palindrome (66601010666).
The spelling of 31401000253 in words is "thirty-one billion, four hundred one million, two hundred fifty-three", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •