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28314102995640 = 2333571129167229307
BaseRepresentation
bin1100111000000011001000…
…00011010001101010111000
310201020210122112001100022000
412130001210003101222320
512202344240331330030
6140115152551301000
75651424603322050
oct634014403215270
9121223575040260
1028314102995640
119026a41aa2970
12321356797a760
1312a5015767817
146dc5a4a86560
153417ac685860
hex19c0640d1ab8

28314102995640 has 2048 divisors, whose sum is σ = 123390812160000. Its totient is φ = 5603587153920.

The previous prime is 28314102995609. The next prime is 28314102995687. The reversal of 28314102995640 is 4659920141382.

It is a happy number.

28314102995640 is a `hidden beast` number, since 2 + 8 + 31 + 41 + 0 + 2 + 9 + 9 + 564 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 92228348367 + ... + 92228348673.

It is an arithmetic number, because the mean of its divisors is an integer number (60249420000).

Almost surely, 228314102995640 is an apocalyptic number.

28314102995640 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 28314102995640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61695406080000).

28314102995640 is an abundant number, since it is smaller than the sum of its proper divisors (95076709164360).

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

28314102995640 is a wasteful number, since it uses less digits than its factorization.

28314102995640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 28314102995640 in words is "twenty-eight trillion, three hundred fourteen billion, one hundred two million, nine hundred ninety-five thousand, six hundred forty".