Search a number
-
+
42918846125 = 53418374409
BaseRepresentation
bin100111111110001010…
…011001111010101101
311002210002101021122112
4213332022121322231
51200344211034000
631414443453405
73046366113161
oct477612317255
9132702337575
1042918846125
111722462a371
128399527265
13407c9c144c
1421120caca1
1511b2d9a235
hex9fe299ead

42918846125 has 16 divisors (see below), whose sum is σ = 54869134320. Its totient is φ = 33497632000.

The previous prime is 42918846083. The next prime is 42918846149. The reversal of 42918846125 is 52164881924.

It can be written as a sum of positive squares in 8 ways, for example, as 14403120169 + 28515725956 = 120013^2 + 168866^2 .

It is a de Polignac number, because none of the positive numbers 2k-42918846125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4182080 + ... + 4192329.

It is an arithmetic number, because the mean of its divisors is an integer number (3429320895).

Almost surely, 242918846125 is an apocalyptic number.

It is an amenable number.

42918846125 is a deficient number, since it is larger than the sum of its proper divisors (11950288195).

42918846125 is an equidigital number, since it uses as much as digits as its factorization.

42918846125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374465 (or 8374455 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The spelling of 42918846125 in words is "forty-two billion, nine hundred eighteen million, eight hundred forty-six thousand, one hundred twenty-five".

Divisors: 1 5 25 41 125 205 1025 5125 8374409 41872045 209360225 343350769 1046801125 1716753845 8583769225 42918846125