Search a number
-
+
32123202631 = 135857421891
BaseRepresentation
bin11101111010101100…
…010010110001000111
310001220201110202211121
4131322230102301013
51011242014441011
622431315414411
72215020500662
oct357254226107
9101821422747
1032123202631
111269478a653
126285bb4407
13304c218010
1417aa4146d9
15c80225e71
hex77ab12c47

32123202631 has 8 divisors (see below), whose sum is σ = 34600206704. Its totient is φ = 29647054080.

The previous prime is 32123202623. The next prime is 32123202641. The reversal of 32123202631 is 13620232123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32123202631 - 23 = 32123202623 is a prime.

It is a super-2 number, since 2×321232026312 (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 = 32123202596 and 32123202605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123202641) 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 7 ways as a sum of consecutive naturals, for example, 134805 + ... + 287086.

It is an arithmetic number, because the mean of its divisors is an integer number (4325025838).

Almost surely, 232123202631 is an apocalyptic number.

32123202631 is a deficient number, since it is larger than the sum of its proper divisors (2477004073).

32123202631 is a wasteful number, since it uses less digits than its factorization.

32123202631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427761.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 32123202631 its reverse (13620232123), we get a palindrome (45743434754).

The spelling of 32123202631 in words is "thirty-two billion, one hundred twenty-three million, two hundred two thousand, six hundred thirty-one".

Divisors: 1 13 5857 76141 421891 5484583 2471015587 32123202631