Base | Representation |
---|---|
bin | 11101001111101101… |
… | …111101101101111101 |
3 | 10000001110211002011111 |
4 | 131033231331231331 |
5 | 1003302432023123 |
6 | 22232002322021 |
7 | 2161114320004 |
oct | 351755755575 |
9 | 100043732144 |
10 | 31402220413 |
11 | 12354809a83 |
12 | 6104659311 |
13 | 2c65a40415 |
14 | 173c777c3b |
15 | c3bcab90d |
hex | 74fb7db7d |
31402220413 has 8 divisors (see below), whose sum is σ = 32774391936. Its totient is φ = 30030620400.
The previous prime is 31402220411. The next prime is 31402220467.
31402220413 is nontrivially palindromic in base 10.
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 31402220413 - 21 = 31402220411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31402220411) 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, 28633 + ... + 252238.
It is an arithmetic number, because the mean of its divisors is an integer number (4096798992).
Almost surely, 231402220413 is an apocalyptic number.
It is an amenable number.
31402220413 is a deficient number, since it is larger than the sum of its proper divisors (1372171523).
31402220413 is a wasteful number, since it uses less digits than its factorization.
31402220413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285755.
The product of its (nonzero) digits is 1152, while the sum is 22.
The spelling of 31402220413 in words is "thirty-one billion, four hundred two million, two hundred twenty thousand, four hundred thirteen".
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