Search a number
-
+
42005887134 = 2342116629409
BaseRepresentation
bin100111000111101111…
…101111100010011110
311000102110111011100120
4213013233233202132
51142012001342014
631144111535410
73014642102151
oct470757574236
9130373434316
1042005887134
11168a6256802
12818382a566
133c6580b423
142066b59c98
15115cb5dba9
hex9c7bef89e

42005887134 has 16 divisors (see below), whose sum is σ = 84211332240. Its totient is φ = 13968702720.

The previous prime is 42005887111. The next prime is 42005887169. The reversal of 42005887134 is 43178850024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8312179 + ... + 8317230.

It is an arithmetic number, because the mean of its divisors is an integer number (5263208265).

Almost surely, 242005887134 is an apocalyptic number.

42005887134 is an abundant number, since it is smaller than the sum of its proper divisors (42205445106).

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

42005887134 is a wasteful number, since it uses less digits than its factorization.

42005887134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629835.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 42005887134 in words is "forty-two billion, five million, eight hundred eighty-seven thousand, one hundred thirty-four".

Divisors: 1 2 3 6 421 842 1263 2526 16629409 33258818 49888227 99776454 7000981189 14001962378 21002943567 42005887134