Search a number
-
+
32020002101 = 41780975661
BaseRepresentation
bin11101110100100010…
…100111010100110101
310001122112021122022202
4131310202213110311
51011034110031401
622413151434245
72212325345543
oct356442472465
9101575248282
1032020002101
111264150255a
126257525985
133033a23809
14179a82cd93
15c7613d06b
hex7748a7535

32020002101 has 4 divisors (see below), whose sum is σ = 32800977804. Its totient is φ = 31239026400.

The previous prime is 32020002059. The next prime is 32020002137. The reversal of 32020002101 is 10120002023.

It is a happy number.

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 4588030225 + 27431971876 = 67735^2 + 165626^2 .

It is a cyclic number.

It is not a de Polignac number, because 32020002101 - 222 = 32015807797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020002181) 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 3 ways as a sum of consecutive naturals, for example, 390487790 + ... + 390487871.

It is an arithmetic number, because the mean of its divisors is an integer number (8200244451).

Almost surely, 232020002101 is an apocalyptic number.

It is an amenable number.

32020002101 is a deficient number, since it is larger than the sum of its proper divisors (780975703).

32020002101 is an equidigital number, since it uses as much as digits as its factorization.

32020002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780975702.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 32020002101 its reverse (10120002023), we get a palindrome (42140004124).

The spelling of 32020002101 in words is "thirty-two billion, twenty million, two thousand, one hundred one".

Divisors: 1 41 780975661 32020002101