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28299097008 = 243473135983
BaseRepresentation
bin11010010110110000…
…011111001110110000
32201001012202002010000
4122112300133032300
5430424032101013
621000031510000
72021164233000
oct322660371660
981035662100
1028299097008
1111002114486
125599388300
13288cb90820
1415265aa000
15b09647973
hex696c1f3b0

28299097008 has 800 divisors, whose sum is σ = 105868224000. Its totient is φ = 7248600576.

The previous prime is 28299096997. The next prime is 28299097019. The reversal of 28299097008 is 80079099282.

It is an interprime number because it is at equal distance from previous prime (28299096997) and next prime (28299097019).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 340952935 + ... + 340953017.

It is an arithmetic number, because the mean of its divisors is an integer number (132335280).

Almost surely, 228299097008 is an apocalyptic number.

28299097008 is a gapful number since it is divisible by the number (28) 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 28299097008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52934112000).

28299097008 is an abundant number, since it is smaller than the sum of its proper divisors (77569126992).

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

28299097008 is a wasteful number, since it uses less digits than its factorization.

28299097008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 28299097008 in words is "twenty-eight billion, two hundred ninety-nine million, ninety-seven thousand, eight".