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28258239072000 = 28353742050951
BaseRepresentation
bin1100110110011011000100…
…10011010100011100000000
310201001110110021012222200010
412123031202103110130000
512200440333200301000
6140033353353424520
75644406335650030
oct633154223243400
9121043407188603
1028258239072000
1190052852a1233
12320477710b140
13129c981b944c2
146d99c56498c0
153400dd0d6d50
hex19b3624d4700

28258239072000 has 288 divisors, whose sum is σ = 107268278068224. Its totient is φ = 6459025920000.

The previous prime is 28258239071947. The next prime is 28258239072113. The reversal of 28258239072000 is 27093285282.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20353476 + ... + 21697475.

It is an arithmetic number, because the mean of its divisors is an integer number (372459298848).

Almost surely, 228258239072000 is an apocalyptic number.

28258239072000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28258239072000 is an abundant number, since it is smaller than the sum of its proper divisors (79010038996224).

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

28258239072000 is an equidigital number, since it uses as much as digits as its factorization.

28258239072000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42050992 (or 42050968 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 28258239072000 in words is "twenty-eight trillion, two hundred fifty-eight billion, two hundred thirty-nine million, seventy-two thousand".