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28599070080 = 2735717237199
BaseRepresentation
bin11010101000101000…
…110010110110000000
32201211010012021210210
4122220220302312000
5432032330220310
621045505154120
72031466041030
oct325050626600
981733167723
1028599070080
111114647a709
12566192b940
13290a07c299
1415543738c0
15b25b4d820
hex6a8a32d80

28599070080 has 768 divisors, whose sum is σ = 114233472000. Its totient is φ = 5956042752.

The previous prime is 28599069977. The next prime is 28599070109. The reversal of 28599070080 is 8007099582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 143713821 + ... + 143714019.

It is an arithmetic number, because the mean of its divisors is an integer number (148741500).

Almost surely, 228599070080 is an apocalyptic number.

28599070080 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 28599070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57116736000).

28599070080 is an abundant number, since it is smaller than the sum of its proper divisors (85634401920).

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

28599070080 is a wasteful number, since it uses less digits than its factorization.

28599070080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 28599070080 in words is "twenty-eight billion, five hundred ninety-nine million, seventy thousand, eighty".