Search a number
-
+
32113442021 = 191690181159
BaseRepresentation
bin11101111010000111…
…000011110011100101
310001220001002212210112
4131322013003303211
51011232020121041
622430330302405
72214541516253
oct357207036345
9101801085715
1032113442021
111268a223331
126282887a05
13304a1ab3cb
1417a8dd35d3
15c7e448deb
hex77a1c3ce5

32113442021 has 4 divisors (see below), whose sum is σ = 33803623200. Its totient is φ = 30423260844.

The previous prime is 32113441967. The next prime is 32113442027. The reversal of 32113442021 is 12024431123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32113442021 - 222 = 32109247717 is a prime.

It is a super-2 number, since 2×321134420212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113442027) 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, 845090561 + ... + 845090598.

It is an arithmetic number, because the mean of its divisors is an integer number (8450905800).

Almost surely, 232113442021 is an apocalyptic number.

It is an amenable number.

32113442021 is a deficient number, since it is larger than the sum of its proper divisors (1690181179).

32113442021 is a wasteful number, since it uses less digits than its factorization.

32113442021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690181178.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 32113442021 its reverse (12024431123), we get a palindrome (44137873144).

The spelling of 32113442021 in words is "thirty-two billion, one hundred thirteen million, four hundred forty-two thousand, twenty-one".

Divisors: 1 19 1690181159 32113442021