Search a number
-
+
42321410020 = 22515831336747
BaseRepresentation
bin100111011010100011…
…010111011111100100
311001020110012101101101
4213122203113133210
51143133240110040
631235302405444
73025523023021
oct473243273744
9131213171341
1042321410020
1116a4837281a
128251430884
133cb5cb2866
142096a10548
15117a6d709a
hex9da8d77e4

42321410020 has 24 divisors (see below), whose sum is σ = 88931170944. Its totient is φ = 16917857376.

The previous prime is 42321410017. The next prime is 42321410093. The reversal of 42321410020 is 2001412324.

It is a super-2 number, since 2×423214100202 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42321410020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636714 + ... + 700033.

It is an arithmetic number, because the mean of its divisors is an integer number (3705465456).

Almost surely, 242321410020 is an apocalyptic number.

It is an amenable number.

42321410020 is an abundant number, since it is smaller than the sum of its proper divisors (46609760924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42321410020 is a wasteful number, since it uses less digits than its factorization.

42321410020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338339 (or 1338337 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 42321410020 its reverse (2001412324), we get a palindrome (44322822344).

The spelling of 42321410020 in words is "forty-two billion, three hundred twenty-one million, four hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 1583 3166 6332 7915 15830 31660 1336747 2673494 5346988 6683735 13367470 26734940 2116070501 4232141002 8464282004 10580352505 21160705010 42321410020