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28632024960 = 2735721173379
BaseRepresentation
bin11010101010100110…
…100000011110000000
32201220102012120101220
4122222212200132000
5432114244244320
621053043355040
72032346124300
oct325246403600
981812176356
1028632024960
1111163039150
125670982a80
132913b4a206
1415588b1600
15b289ace40
hex6aa9a0780

28632024960 has 768 divisors, whose sum is σ = 117712569600. Its totient is φ = 5852528640.

The previous prime is 28632024943. The next prime is 28632024961. The reversal of 28632024960 is 6942023682.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28632024961) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75546051 + ... + 75546429.

It is an arithmetic number, because the mean of its divisors is an integer number (153271575).

Almost surely, 228632024960 is an apocalyptic number.

28632024960 is a gapful number since it is divisible by the number (20) 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 28632024960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58856284800).

28632024960 is an abundant number, since it is smaller than the sum of its proper divisors (89080544640).

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

28632024960 is a wasteful number, since it uses less digits than its factorization.

28632024960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 28632024960 in words is "twenty-eight billion, six hundred thirty-two million, twenty-four thousand, nine hundred sixty".