Search a number
-
+
42333212401 = 237717809513
BaseRepresentation
bin100111011011010000…
…011000111011110001
311001021021102000012121
4213123100120323301
51143144300244101
631240403354241
73026025240214
oct473320307361
9131237360177
1042333212401
1116a53aa4057
128255382981
133cb858590c
14209840377b
15117b7690a1
hex9db418ef1

42333212401 has 4 divisors (see below), whose sum is σ = 42351024292. Its totient is φ = 42315400512.

The previous prime is 42333212381. The next prime is 42333212413. The reversal of 42333212401 is 10421233324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26639136225 + 15694076176 = 163215^2 + 125276^2 .

It is a cyclic number.

It is not a de Polignac number, because 42333212401 - 233 = 33743277809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42333212461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8902380 + ... + 8907133.

It is an arithmetic number, because the mean of its divisors is an integer number (10587756073).

Almost surely, 242333212401 is an apocalyptic number.

It is an amenable number.

42333212401 is a deficient number, since it is larger than the sum of its proper divisors (17811891).

42333212401 is a wasteful number, since it uses less digits than its factorization.

42333212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17811890.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42333212401 its reverse (10421233324), we get a palindrome (52754445725).

The spelling of 42333212401 in words is "forty-two billion, three hundred thirty-three million, two hundred twelve thousand, four hundred one".

Divisors: 1 2377 17809513 42333212401