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42442321300 = 2252424423213
BaseRepresentation
bin100111100001110000…
…100110110110010100
311001112212201022110221
4213201300212312110
51143410213240200
631255302124124
73031521531031
oct474160466624
9131485638427
1042442321300
1116aaa6471a5
128285a20644
1340050684b2
1420a8ac6388
15118611c91a
hex9e1c26d94

42442321300 has 18 divisors (see below), whose sum is σ = 92099837438. Its totient is φ = 16976928480.

The previous prime is 42442321223. The next prime is 42442321319. The reversal of 42442321300 is 312324424.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12387244804 + 30055076496 = 111298^2 + 173364^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212211507 + ... + 212211706.

Almost surely, 242442321300 is an apocalyptic number.

It is an amenable number.

42442321300 is an abundant number, since it is smaller than the sum of its proper divisors (49657516138).

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

42442321300 is a wasteful number, since it uses less digits than its factorization.

42442321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424423227 (or 424423220 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42442321300 its reverse (312324424), we get a palindrome (42754645724).

The spelling of 42442321300 in words is "forty-two billion, four hundred forty-two million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 424423213 848846426 1697692852 2122116065 4244232130 8488464260 10610580325 21221160650 42442321300