Search a number
-
+
42859915319 = 133319960473
BaseRepresentation
bin100111111010101001…
…100110100000110111
311002121222111021210002
4213322221212200313
51200234114242234
631404540421515
73045052161224
oct477251464067
9132558437702
1042859915319
11171a4339821
12838184789b
13407072a050
14210834a94b
1511acb0927e
hex9faa66837

42859915319 has 8 divisors (see below), whose sum is σ = 46296283152. Its totient is φ = 39443469120.

The previous prime is 42859915283. The next prime is 42859915333. The reversal of 42859915319 is 91351995824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42859915319 is a prime.

It is a super-2 number, since 2×428599153192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42859915339) 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, 4975934 + ... + 4984539.

It is an arithmetic number, because the mean of its divisors is an integer number (5787035394).

Almost surely, 242859915319 is an apocalyptic number.

42859915319 is a deficient number, since it is larger than the sum of its proper divisors (3436367833).

42859915319 is a wasteful number, since it uses less digits than its factorization.

42859915319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960817.

The product of its digits is 3499200, while the sum is 56.

The spelling of 42859915319 in words is "forty-two billion, eight hundred fifty-nine million, nine hundred fifteen thousand, three hundred nineteen".

Divisors: 1 13 331 4303 9960473 129486149 3296916563 42859915319