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28460976830520 = 233513235314966543
BaseRepresentation
bin1100111100010100101100…
…11010011111100000111000
310201202211202102002012211020
412132022112122133200320
512212301040032034040
6140310443043302440
75665144352321223
oct636122632374070
9121684672065736
1028460976830520
119083261498983
123237b1767aa20
1312b5b2145a620
1470573918c5ba
15345506a9dcd0
hex19e29669f838

28460976830520 has 256 divisors, whose sum is σ = 97759070760960. Its totient is φ = 6574742034432.

The previous prime is 28460976830513. The next prime is 28460976830551. The reversal of 28460976830520 is 2503867906482.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5581632 + ... + 9384911.

It is an arithmetic number, because the mean of its divisors is an integer number (381871370160).

Almost surely, 228460976830520 is an apocalyptic number.

28460976830520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28460976830520 is an abundant number, since it is smaller than the sum of its proper divisors (69298093930440).

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

28460976830520 is a wasteful number, since it uses less digits than its factorization.

28460976830520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966646 (or 14966642 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 28460976830520 in words is "twenty-eight trillion, four hundred sixty billion, nine hundred seventy-six million, eight hundred thirty thousand, five hundred twenty".