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42232898450 = 252290632
BaseRepresentation
bin100111010101010001…
…101110001110010010
311001000021122112100002
4213111101232032102
51142443110222300
631222421330002
73023366466551
oct472521561622
9131007575302
1042232898450
1116a02408766
128227866902
133ca0862252
142088d6dd98
151172a515d5
hex9d546e392

42232898450 has 18 divisors (see below), whose sum is σ = 78555894069. Its totient is φ = 16892578120.

The previous prime is 42232898441. The next prime is 42232898459. The reversal of 42232898450 is 5489823224.

42232898450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42232898441) and next prime (42232898459).

It can be written as a sum of positive squares in 2 ways, for example, as 41388240481 + 844657969 = 203441^2 + 29063^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=145315.

It is a super-2 number, since 2×422328984502 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42232898395 and 42232898404.

It is not an unprimeable number, because it can be changed into a prime (42232898459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1438619 + ... + 1467681.

Almost surely, 242232898450 is an apocalyptic number.

42232898450 is a deficient number, since it is larger than the sum of its proper divisors (36322995619).

42232898450 is an frugal number, since it uses more digits than its factorization.

42232898450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58138 (or 29070 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 42232898450 in words is "forty-two billion, two hundred thirty-two million, eight hundred ninety-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 29063 58126 145315 290630 726575 1453150 844657969 1689315938 4223289845 8446579690 21116449225 42232898450