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4420212142 = 22210106071
BaseRepresentation
bin1000001110111011…
…10001010110101110
3102102001102001010211
410013131301112232
533023033242032
62010340253034
7214352116603
oct40735612656
912361361124
104420212142
111969104895
12a343a117a
135559bbb58
142dd09a6aa
hex1077715ae

4420212142 has 4 divisors (see below), whose sum is σ = 6630318216. Its totient is φ = 2210106070.

The previous prime is 4420212127. The next prime is 4420212163. The reversal of 4420212142 is 2412120244.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105053034 + ... + 1105053037.

It is an arithmetic number, because the mean of its divisors is an integer number (1657579554).

Almost surely, 24420212142 is an apocalyptic number.

4420212142 is a deficient number, since it is larger than the sum of its proper divisors (2210106074).

4420212142 is a wasteful number, since it uses less digits than its factorization.

4420212142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210106073.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4420212142 is about 66484.6759937957. The cubic root of 4420212142 is about 1641.1478358930.

Adding to 4420212142 its reverse (2412120244), we get a palindrome (6832332386).

The spelling of 4420212142 in words is "four billion, four hundred twenty million, two hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 2210106071 4420212142