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142875532800 = 29335272111359
BaseRepresentation
bin1000010100010000001…
…0111001111000000000
3111122210020112002012000
42011010002321320000
54320102114022200
6145345222304000
713215405663600
oct2050402717000
9448706462160
10142875532800
1155658571530
1223834888000
131061c5471b0
146cb54b4c00
153ab33cb300
hex21440b9e00

142875532800 has 2880 divisors, whose sum is σ = 728840851200. Its totient is φ = 26940211200.

The previous prime is 142875532799. The next prime is 142875532841. The reversal of 142875532800 is 8235578241.

142875532800 is a `hidden beast` number, since 1 + 42 + 8 + 75 + 532 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2421619171 + ... + 2421619229.

It is an arithmetic number, because the mean of its divisors is an integer number (253069740).

Almost surely, 2142875532800 is an apocalyptic number.

142875532800 is a gapful number since it is divisible by the number (10) 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 142875532800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364420425600).

142875532800 is an abundant number, since it is smaller than the sum of its proper divisors (585965318400).

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

142875532800 is a wasteful number, since it uses less digits than its factorization.

142875532800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 142875532800 in words is "one hundred forty-two billion, eight hundred seventy-five million, five hundred thirty-two thousand, eight hundred".