Base | Representation |
---|---|
bin | 11101001111101001… |
… | …110100100010000010 |
3 | 10000001101202220011202 |
4 | 131033221310202002 |
5 | 1003302142243320 |
6 | 22231523141202 |
7 | 2161102144145 |
oct | 351751644202 |
9 | 100041686152 |
10 | 31401134210 |
11 | 12354137996 |
12 | 6104214802 |
13 | 2c6574cbb4 |
14 | 173c57405c |
15 | c3bb44b75 |
hex | 74fa74882 |
31401134210 has 16 divisors (see below), whose sum is σ = 56530164600. Its totient is φ = 12558648576.
The previous prime is 31401134209. The next prime is 31401134221. The reversal of 31401134210 is 1243110413.
It can be written as a sum of positive squares in 4 ways, for example, as 26870094241 + 4531039969 = 163921^2 + 67313^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151415 + ... + 292794.
Almost surely, 231401134210 is an apocalyptic number.
31401134210 is a deficient number, since it is larger than the sum of its proper divisors (25129030390).
31401134210 is a wasteful number, since it uses less digits than its factorization.
31401134210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451285.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31401134210 its reverse (1243110413), we get a palindrome (32644244623).
The spelling of 31401134210 in words is "thirty-one billion, four hundred one million, one hundred thirty-four thousand, two hundred ten".
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