Search a number
-
+
513230564217 = 3789274601693
BaseRepresentation
bin1110111011111101110…
…11001110101101111001
31211001201220212000100110
413131332323032231321
531402044011023332
61031435212054533
752036221550020
oct7357673165571
91731656760313
10513230564217
11188729301198
1283573a64449
13395222187b7
141abaa4498b7
15d53c42a4cc
hex777eeceb79

513230564217 has 16 divisors (see below), whose sum is σ = 790852878720. Its totient is φ = 289979386752.

The previous prime is 513230564207. The next prime is 513230564251. The reversal of 513230564217 is 712465032315.

It is not a de Polignac number, because 513230564217 - 212 = 513230560121 is a prime.

It is a super-2 number, since 2×5132305642172 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513230564207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137298978 + ... + 137302715.

It is an arithmetic number, because the mean of its divisors is an integer number (49428304920).

Almost surely, 2513230564217 is an apocalyptic number.

It is an amenable number.

513230564217 is a deficient number, since it is larger than the sum of its proper divisors (277622314503).

513230564217 is a wasteful number, since it uses less digits than its factorization.

513230564217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274601792.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 513230564217 in words is "five hundred thirteen billion, two hundred thirty million, five hundred sixty-four thousand, two hundred seventeen".

Divisors: 1 3 7 21 89 267 623 1869 274601693 823805079 1922211851 5766635553 24439550677 73318652031 171076854739 513230564217