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42221400140 = 2252111070007
BaseRepresentation
bin100111010100100101…
…110111000001001100
311000222111000100121202
4213110211313001030
51142432134301030
631221331045032
73023166660023
oct472445670114
9130874010552
1042221400140
11169a6974927
128223a40778
133c9b36770a
1420876198ba
151171a2e745
hex9d497704c

42221400140 has 12 divisors (see below), whose sum is σ = 88664940336. Its totient is φ = 16888560048.

The previous prime is 42221400059. The next prime is 42221400157. The reversal of 42221400140 is 4100412224.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2111070007 = 42221400140 / (4 + 2 + 2 + 2 + 1 + 4 + 0 + 0 + 1 + 4 + 0).

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 3 ways as a sum of consecutive naturals, for example, 1055534984 + ... + 1055535023.

It is an arithmetic number, because the mean of its divisors is an integer number (7388745028).

Almost surely, 242221400140 is an apocalyptic number.

It is an amenable number.

42221400140 is an abundant number, since it is smaller than the sum of its proper divisors (46443540196).

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

42221400140 is a wasteful number, since it uses less digits than its factorization.

42221400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111070016 (or 2111070014 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42221400140 its reverse (4100412224), we get a palindrome (46321812364).

The spelling of 42221400140 in words is "forty-two billion, two hundred twenty-one million, four hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2111070007 4222140014 8444280028 10555350035 21110700070 42221400140