Base | Representation |
---|---|
bin | 101110101111100010101… |
… | …010000100101111111111 |
3 | 102101002002210012222221111 |
4 | 232233202222010233333 |
5 | 410111432133003211 |
6 | 10455345505342451 |
7 | 451032622063423 |
oct | 56574252045777 |
9 | 12332083188844 |
10 | 3212143250431 |
11 | 1029298140735 |
12 | 43a650337a27 |
13 | 1a3b9988b55b |
14 | b167ba44b83 |
15 | 5884dcd3421 |
hex | 2ebe2a84bff |
3212143250431 has 4 divisors (see below), whose sum is σ = 3228284674000. Its totient is φ = 3196001826864.
The previous prime is 3212143250423. The next prime is 3212143250443. The reversal of 3212143250431 is 1340523412123.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3212143250431 - 23 = 3212143250423 is a prime.
It is a super-2 number, since 2×32121432504312 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3212143250393 and 3212143250402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3212143251431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8070711486 + ... + 8070711883.
It is an arithmetic number, because the mean of its divisors is an integer number (807071168500).
Almost surely, 23212143250431 is an apocalyptic number.
3212143250431 is a deficient number, since it is larger than the sum of its proper divisors (16141423569).
3212143250431 is a wasteful number, since it uses less digits than its factorization.
3212143250431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16141423568.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 3212143250431 its reverse (1340523412123), we get a palindrome (4552666662554).
The spelling of 3212143250431 in words is "three trillion, two hundred twelve billion, one hundred forty-three million, two hundred fifty thousand, four hundred thirty-one".
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