Search a number
-
+
428010452420 = 22521400522621
BaseRepresentation
bin1100011101001110110…
…10010011010111000100
31111220202210011210011112
412032213122103113010
524003031133434140
6524343021224152
742631332550415
oct6164732232704
91456683153145
10428010452420
11155577818931
126ab4ba02058
1331490778845
1416a042b380c
15b200a26c65
hex63a76935c4

428010452420 has 12 divisors (see below), whose sum is σ = 898821950124. Its totient is φ = 171204180960.

The previous prime is 428010452417. The next prime is 428010452453. The reversal of 428010452420 is 24254010824.

It can be written as a sum of positive squares in 2 ways, for example, as 49458201664 + 378552250756 = 222392^2 + 615266^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 10700261291 + ... + 10700261330.

It is an arithmetic number, because the mean of its divisors is an integer number (74901829177).

Almost surely, 2428010452420 is an apocalyptic number.

It is an amenable number.

428010452420 is an abundant number, since it is smaller than the sum of its proper divisors (470811497704).

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

428010452420 is a wasteful number, since it uses less digits than its factorization.

428010452420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400522630 (or 21400522628 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 428010452420 in words is "four hundred twenty-eight billion, ten million, four hundred fifty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 21400522621 42801045242 85602090484 107002613105 214005226210 428010452420