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32132332021 = 291108011449
BaseRepresentation
bin11101111011001111…
…000111100111110101
310001221100122121000011
4131323033013213311
51011301334111041
622432243220221
72215161213166
oct357317074765
9101840577004
1032132332021
11126999556a9
126289077671
13305109351a
1417ab70d76d
15c80e2ae81
hex77b3c79f5

32132332021 has 4 divisors (see below), whose sum is σ = 33240343500. Its totient is φ = 31024320544.

The previous prime is 32132332019. The next prime is 32132332069. The reversal of 32132332021 is 12023323123.

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 19540125796 + 12592206225 = 139786^2 + 112215^2 .

It is a cyclic number.

It is not a de Polignac number, because 32132332021 - 21 = 32132332019 is a prime.

It is a super-2 number, since 2×321323320212 (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 = 32132331983 and 32132332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32132332721) 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, 554005696 + ... + 554005753.

It is an arithmetic number, because the mean of its divisors is an integer number (8310085875).

Almost surely, 232132332021 is an apocalyptic number.

It is an amenable number.

32132332021 is a deficient number, since it is larger than the sum of its proper divisors (1108011479).

32132332021 is a wasteful number, since it uses less digits than its factorization.

32132332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108011478.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32132332021 its reverse (12023323123), we get a palindrome (44155655144).

The spelling of 32132332021 in words is "thirty-two billion, one hundred thirty-two million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 29 1108011449 32132332021