Base | Representation |
---|---|
bin | 11101001111101010… |
… | …101100101101010001 |
3 | 10000001102012120210210 |
4 | 131033222230231101 |
5 | 1003302222124210 |
6 | 22231532114333 |
7 | 2161104123033 |
oct | 351752545521 |
9 | 100042176723 |
10 | 31401364305 |
11 | 12354284853 |
12 | 61043059a9 |
13 | 2c6580084c |
14 | 173c5d3c53 |
15 | c3bb8ce20 |
hex | 74faacb51 |
31401364305 has 16 divisors (see below), whose sum is σ = 50574916224. Its totient is φ = 16636483200.
The previous prime is 31401364283. The next prime is 31401364321. The reversal of 31401364305 is 50346310413.
It is not a de Polignac number, because 31401364305 - 25 = 31401364273 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6929604 + ... + 6934133.
It is an arithmetic number, because the mean of its divisors is an integer number (3160932264).
Almost surely, 231401364305 is an apocalyptic number.
It is an amenable number.
31401364305 is a deficient number, since it is larger than the sum of its proper divisors (19173551919).
31401364305 is a wasteful number, since it uses less digits than its factorization.
31401364305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13863896.
The product of its (nonzero) digits is 12960, while the sum is 30.
Adding to 31401364305 its reverse (50346310413), we get a palindrome (81747674718).
The spelling of 31401364305 in words is "thirty-one billion, four hundred one million, three hundred sixty-four thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •