Search a number
-
+
2121310100311 = 14926003547513
BaseRepresentation
bin11110110111100111111…
…011110101101101010111
321111210110202012110020021
4132313213323311231113
5234223420341202221
64302303313250011
7306155020225633
oct36674773655527
97453422173207
102121310100311
11748708281736
122a315a563907
13125066cb1b0c
1474959bc5dc3
153a2a7ebb041
hex1ede7ef5b57

2121310100311 has 8 divisors (see below), whose sum is σ = 2135633108400. Its totient is φ = 2106988239552.

The previous prime is 2121310100303. The next prime is 2121310100369. The reversal of 2121310100311 is 1130010131212.

It is a happy number.

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 2121310100311 - 23 = 2121310100303 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 (2121310100011) 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, 3600691 + ... + 4148203.

It is an arithmetic number, because the mean of its divisors is an integer number (266954138550).

Almost surely, 22121310100311 is an apocalyptic number.

2121310100311 is a deficient number, since it is larger than the sum of its proper divisors (14323008089).

2121310100311 is a wasteful number, since it uses less digits than its factorization.

2121310100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573665.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2121310100311 its reverse (1130010131212), we get a palindrome (3251320231523).

The spelling of 2121310100311 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, one hundred thousand, three hundred eleven".

Divisors: 1 149 26003 547513 3874447 81579437 14236980539 2121310100311