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28136383290000 = 243354179476473
BaseRepresentation
bin1100110010111000000110…
…01000011001101010010000
310200121210220221001212212000
412121130003020121222100
512141441303110240000
6135501402005234000
75632533543621336
oct631340310315220
9120553827055760
1028136383290000
118a68633942687
1231a5029a02900
131291332388c9b
146d3b45a69b56
1533bd5a25a000
hex199703219a90

28136383290000 has 800 divisors, whose sum is σ = 106985829075840. Its totient is φ = 7053133824000.

The previous prime is 28136383289953. The next prime is 28136383290047. The reversal of 28136383290000 is 9238363182.

28136383290000 is a `hidden beast` number, since 2 + 8 + 1 + 3 + 638 + 3 + 2 + 9 + 0 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28136383289953) and next prime (28136383290047).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4346726764 + ... + 4346733236.

Almost surely, 228136383290000 is an apocalyptic number.

28136383290000 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 28136383290000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53492914537920).

28136383290000 is an abundant number, since it is smaller than the sum of its proper divisors (78849445785840).

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

28136383290000 is a wasteful number, since it uses less digits than its factorization.

28136383290000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 7447 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 28136383290000 in words is "twenty-eight trillion, one hundred thirty-six billion, three hundred eighty-three million, two hundred ninety thousand".