Search a number
-
+
34202042431 = 105132542381
BaseRepresentation
bin11111110110100110…
…011100000000111111
310021021121011202221021
4133312212130000333
51030021210324211
623413500245011
72320362364264
oct376646340077
9107247152837
1034202042431
1113561185777
126766240767
1332c0b0763b
14192655326b
15d529ad771
hex7f699c03f

34202042431 has 4 divisors (see below), whose sum is σ = 34234585864. Its totient is φ = 34169499000.

The previous prime is 34202042423. The next prime is 34202042447. The reversal of 34202042431 is 13424020243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34202042431 - 23 = 34202042423 is a prime.

It is a super-2 number, since 2×342020424312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34202042396 and 34202042405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34202042461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16270140 + ... + 16272241.

It is an arithmetic number, because the mean of its divisors is an integer number (8558646466).

Almost surely, 234202042431 is an apocalyptic number.

34202042431 is a deficient number, since it is larger than the sum of its proper divisors (32543433).

34202042431 is a wasteful number, since it uses less digits than its factorization.

34202042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32543432.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 34202042431 its reverse (13424020243), we get a palindrome (47626062674).

The spelling of 34202042431 in words is "thirty-four billion, two hundred two million, forty-two thousand, four hundred thirty-one".

Divisors: 1 1051 32542381 34202042431