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242809480800 = 253252371038849
BaseRepresentation
bin1110001000100010010…
…0101010011001100000
3212012201210212122010100
43202020210222121200
512434233211341200
6303313425502400
723354021350635
oct3421044523140
9765653778110
10242809480800
1193a7a6927a7
123b0844a1a00
1319b8746b0c3
14ba7586018c
1564b1919d00
hex388892a660

242809480800 has 432 divisors, whose sum is σ = 887985352800. Its totient is φ = 62380523520.

The previous prime is 242809480789. The next prime is 242809480813. The reversal of 242809480800 is 8084908242.

It is a happy number.

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 71 ways as a sum of consecutive naturals, for example, 27434776 + ... + 27443624.

It is an arithmetic number, because the mean of its divisors is an integer number (2055521650).

Almost surely, 2242809480800 is an apocalyptic number.

242809480800 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 242809480800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443992676400).

242809480800 is an abundant number, since it is smaller than the sum of its proper divisors (645175872000).

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

242809480800 is a wasteful number, since it uses less digits than its factorization.

242809480800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 242809480800 in words is "two hundred forty-two billion, eight hundred nine million, four hundred eighty thousand, eight hundred".