Base | Representation |
---|---|
bin | 1100011011000101111… |
… | …1100100010101000001 |
3 | 202101220101112101000210 |
4 | 3012301133210111001 |
5 | 11444101344140001 |
6 | 242014324104333 |
7 | 21264011415060 |
oct | 3066137442501 |
9 | 671811471023 |
10 | 213431240001 |
11 | 82574409651 |
12 | 354458350a9 |
13 | 17184b4c975 |
14 | a489c241d7 |
15 | 58426aadd6 |
hex | 31b17e4541 |
213431240001 has 8 divisors (see below), whose sum is σ = 325228556224. Its totient is φ = 121960708560.
The previous prime is 213431239993. The next prime is 213431240003. The reversal of 213431240001 is 100042134312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213431240001 - 23 = 213431239993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10163392381 = 213431240001 / (2 + 1 + 3 + 4 + 3 + 1 + 2 + 4 + 0 + 0 + 0 + 1).
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 213431240001.
It is not an unprimeable number, because it can be changed into a prime (213431240003) 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, 5081696170 + ... + 5081696211.
It is an arithmetic number, because the mean of its divisors is an integer number (40653569528).
Almost surely, 2213431240001 is an apocalyptic number.
213431240001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
213431240001 is a deficient number, since it is larger than the sum of its proper divisors (111797316223).
213431240001 is a wasteful number, since it uses less digits than its factorization.
213431240001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10163392391.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 213431240001 its reverse (100042134312), we get a palindrome (313473374313).
The spelling of 213431240001 in words is "two hundred thirteen billion, four hundred thirty-one million, two hundred forty thousand, one".
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