Search a number
-
+
32123231021 = 737124027919
BaseRepresentation
bin11101111010101100…
…011001101100101101
310001220201112012210002
4131322230121230231
51011242021343041
622431320154045
72215020646520
oct357254315455
9101821465702
1032123231021
11126947a9a12
126286008925
13304c227c0b
1417aa420bb7
15c8022e59b
hex77ab19b2d

32123231021 has 8 divisors (see below), whose sum is σ = 37704487680. Its totient is φ = 26790030288.

The previous prime is 32123231017. The next prime is 32123231057. The reversal of 32123231021 is 12013232123.

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

It is not a de Polignac number, because 32123231021 - 22 = 32123231017 is a prime.

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 = 32123230984 and 32123231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123231071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62013701 + ... + 62014218.

It is an arithmetic number, because the mean of its divisors is an integer number (4713060960).

Almost surely, 232123231021 is an apocalyptic number.

It is an amenable number.

32123231021 is a deficient number, since it is larger than the sum of its proper divisors (5581256659).

32123231021 is a wasteful number, since it uses less digits than its factorization.

32123231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124027963.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32123231021 its reverse (12013232123), we get a palindrome (44136463144).

It can be divided in two parts, 321232 and 31021, that added together give a palindrome (352253).

The spelling of 32123231021 in words is "thirty-two billion, one hundred twenty-three million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 7 37 259 124027919 868195433 4589033003 32123231021