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28792865088 = 26321319439461
BaseRepresentation
bin11010110100001100…
…000100000101000000
32202022121212002120200
4122310030010011000
5432431433140323
621121031005200
72036341213041
oct326414040500
982277762520
1028792865088
1111235904779
1256b6809800
13293b2731a0
141571dbc8c8
15b37b7e443
hex6b4304140

28792865088 has 336 divisors, whose sum is σ = 93972278400. Its totient is φ = 8355778560.

The previous prime is 28792865051. The next prime is 28792865089. The reversal of 28792865088 is 88056829782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792865089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62457178 + ... + 62457638.

It is an arithmetic number, because the mean of its divisors is an integer number (279679400).

Almost surely, 228792865088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28792865088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46986139200).

28792865088 is an abundant number, since it is smaller than the sum of its proper divisors (65179413312).

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

28792865088 is a wasteful number, since it uses less digits than its factorization.

28792865088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 28792865088 in words is "twenty-eight billion, seven hundred ninety-two million, eight hundred sixty-five thousand, eighty-eight".