Search a number
-
+
76423581234 = 2327111331612243
BaseRepresentation
bin100011100101100110…
…0110100111000110010
321022021002110011202200
41013023030310320302
52223003414044414
655035234324030
75343563502510
oct1071314647062
9238232404680
1076423581234
112a4581347a0
121298a129616
13728c1c01b0
1439adba74b0
151ec4519109
hex11cb334e32

76423581234 has 384 divisors, whose sum is σ = 233361063936. Its totient is φ = 17433792000.

The previous prime is 76423581233. The next prime is 76423581259. The reversal of 76423581234 is 43218532467.

76423581234 is a `hidden beast` number, since 7 + 6 + 42 + 3 + 581 + 23 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 76423581234.

It is not an unprimeable number, because it can be changed into a prime (76423581233) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34070917 + ... + 34073159.

It is an arithmetic number, because the mean of its divisors is an integer number (607711104).

Almost surely, 276423581234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76423581234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116680531968).

76423581234 is an abundant number, since it is smaller than the sum of its proper divisors (156937482702).

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

76423581234 is a wasteful number, since it uses less digits than its factorization.

76423581234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2371 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 76423581234 in words is "seventy-six billion, four hundred twenty-three million, five hundred eighty-one thousand, two hundred thirty-four".