Search a number
-
+
513115001401 = 2322309347887
BaseRepresentation
bin1110111011110000000…
…10011001001000111001
31211001102212101210222011
413131320002121020321
531401324420021101
61031415523125521
752033316356132
oct7357002311071
91731385353864
10513115001401
1118867a050132
12835412138a1
13395042b6432
141ab98d66c89
15d5321ee751
hex7778099239

513115001401 has 4 divisors (see below), whose sum is σ = 535424349312. Its totient is φ = 490805653492.

The previous prime is 513115001359. The next prime is 513115001411. The reversal of 513115001401 is 104100511315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104100511315 = 520820102263.

It is a cyclic number.

It is not a de Polignac number, because 513115001401 - 235 = 478755263033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513115001411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11154673921 + ... + 11154673966.

It is an arithmetic number, because the mean of its divisors is an integer number (133856087328).

Almost surely, 2513115001401 is an apocalyptic number.

It is an amenable number.

513115001401 is a deficient number, since it is larger than the sum of its proper divisors (22309347911).

513115001401 is a wasteful number, since it uses less digits than its factorization.

513115001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309347910.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 513115001401 its reverse (104100511315), we get a palindrome (617215512716).

The spelling of 513115001401 in words is "five hundred thirteen billion, one hundred fifteen million, one thousand, four hundred one".

Divisors: 1 23 22309347887 513115001401