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42398403380 = 2252119920169
BaseRepresentation
bin100111011111001001…
…000100101100110100
311001102211002001102022
4213133021010230310
51143312442402010
631251052532312
73030446324324
oct473711045464
9131384061368
1042398403380
1116a8787aaa3
128273181098
133cc8c2c568
1420a2d33284
151182344d55
hex9df244b34

42398403380 has 12 divisors (see below), whose sum is σ = 89036647140. Its totient is φ = 16959361344.

The previous prime is 42398403367. The next prime is 42398403491. The reversal of 42398403380 is 8330489324.

42398403380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6440383504 + 35958019876 = 80252^2 + 189626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059960065 + ... + 1059960104.

It is an arithmetic number, because the mean of its divisors is an integer number (7419720595).

Almost surely, 242398403380 is an apocalyptic number.

It is an amenable number.

42398403380 is an abundant number, since it is smaller than the sum of its proper divisors (46638243760).

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

42398403380 is a wasteful number, since it uses less digits than its factorization.

42398403380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119920178 (or 2119920176 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 42398403380 in words is "forty-two billion, three hundred ninety-eight million, four hundred three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2119920169 4239840338 8479680676 10599600845 21199201690 42398403380