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32020100023 = 49165214053
BaseRepresentation
bin11101110100100010…
…111111001110110111
310001122112110121122111
4131310202333032313
51011034121200043
622413153511451
72212326234202
oct356442771667
9101575417574
1032020100023
111264156a08a
126257572587
133033a59262
14179a856939
15c7615c09d
hex7748bf3b7

32020100023 has 4 divisors (see below), whose sum is σ = 32085314568. Its totient is φ = 31954885480.

The previous prime is 32020099987. The next prime is 32020100039. The reversal of 32020100023 is 32000102023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32020100023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32020099976 and 32020100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020100323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32606536 + ... + 32607517.

It is an arithmetic number, because the mean of its divisors is an integer number (8021328642).

Almost surely, 232020100023 is an apocalyptic number.

32020100023 is a deficient number, since it is larger than the sum of its proper divisors (65214545).

32020100023 is an equidigital number, since it uses as much as digits as its factorization.

32020100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65214544.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 32020100023 its reverse (32000102023), we get a palindrome (64020202046).

The spelling of 32020100023 in words is "thirty-two billion, twenty million, one hundred thousand, twenty-three".

Divisors: 1 491 65214053 32020100023