Search a number
-
+
427881075788 = 22313450653837
BaseRepresentation
bin1100011100111111011…
…00110001010001001100
31111220102202201202210102
412032133230301101030
524002300023411123
6524322120230232
742625202064155
oct6163754612114
91456382652712
10427881075788
111555107922a1
126ab1460b378
133146ca1aa1a
14169d103692c
15b1e44bd028
hex639fb3144c

427881075788 has 12 divisors (see below), whose sum is σ = 772946459712. Its totient is φ = 207039230160.

The previous prime is 427881075779. The next prime is 427881075823. The reversal of 427881075788 is 887570188724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725326795 + ... + 1725327042.

It is an arithmetic number, because the mean of its divisors is an integer number (64412204976).

Almost surely, 2427881075788 is an apocalyptic number.

It is an amenable number.

427881075788 is a deficient number, since it is larger than the sum of its proper divisors (345065383924).

427881075788 is a wasteful number, since it uses less digits than its factorization.

427881075788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450653872 (or 3450653870 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 65.

The spelling of 427881075788 in words is "four hundred twenty-seven billion, eight hundred eighty-one million, seventy-five thousand, seven hundred eighty-eight".

Divisors: 1 2 4 31 62 124 3450653837 6901307674 13802615348 106970268947 213940537894 427881075788