Search a number
-
+
28602166824 = 233371121271231
BaseRepresentation
bin11010101000110100…
…100110111000101000
32201211100000121202000
4122220310212320220
5432034123314244
621050055411000
72031534256320
oct325064467050
981740017660
1028602166824
11111481a5300
125662983a60
13290a8c498a
14155493c280
15b26061169
hex6a8d26e28

28602166824 has 384 divisors, whose sum is σ = 100673126400. Its totient is φ = 7364649600.

The previous prime is 28602166807. The next prime is 28602166837. The reversal of 28602166824 is 42866120682.

28602166824 is a `hidden beast` number, since 2 + 8 + 602 + 16 + 6 + 8 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28602166824.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23234289 + ... + 23235519.

It is an arithmetic number, because the mean of its divisors is an integer number (262169600).

Almost surely, 228602166824 is an apocalyptic number.

28602166824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28602166824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50336563200).

28602166824 is an abundant number, since it is smaller than the sum of its proper divisors (72070959576).

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

28602166824 is a wasteful number, since it uses less digits than its factorization.

28602166824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 28602166824 in words is "twenty-eight billion, six hundred two million, one hundred sixty-six thousand, eight hundred twenty-four".