Base | Representation |
---|---|
bin | 1100001111000111010… |
… | …01011111100111001011 |
3 | 1111012012120100110201022 |
4 | 12013203221133213023 |
5 | 23342020332230011 |
6 | 521050550143055 |
7 | 42242450444552 |
oct | 6074351374713 |
9 | 1435176313638 |
10 | 420431133131 |
11 | 152338461099 |
12 | 69595651a8b |
13 | 30853438229 |
14 | 164c5834d99 |
15 | ae0a4278db |
hex | 61e3a5f9cb |
420431133131 has 8 divisors (see below), whose sum is σ = 431479633200. Its totient is φ = 409513384800.
The previous prime is 420431133103. The next prime is 420431133151. The reversal of 420431133131 is 131331134024.
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 420431133131 - 230 = 419357391307 is a prime.
It is a super-2 number, since 2×4204311331312 (a number of 24 digits) contains 22 as substring.
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 420431133131.
It is not an unprimeable number, because it can be changed into a prime (420431133151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32681420 + ... + 32694281.
It is an arithmetic number, because the mean of its divisors is an integer number (53934954150).
Almost surely, 2420431133131 is an apocalyptic number.
420431133131 is a deficient number, since it is larger than the sum of its proper divisors (11048500069).
420431133131 is a wasteful number, since it uses less digits than its factorization.
420431133131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65375869.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 420431133131 its reverse (131331134024), we get a palindrome (551762267155).
The spelling of 420431133131 in words is "four hundred twenty billion, four hundred thirty-one million, one hundred thirty-three thousand, one hundred thirty-one".
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