Search a number
-
+
21339320483 = 137703213097
BaseRepresentation
bin10011110111111011…
…000011000010100011
32001002011200210120002
4103313323003002203
5322200331223413
613445251410215
71353544142225
oct236773030243
961064623502
1021339320483
119060543358
1241765b396b
132020ccc070
141066120415
1584d626958
hex4f7ec30a3

21339320483 has 8 divisors (see below), whose sum is σ = 22983897888. Its totient is φ = 19695184704.

The previous prime is 21339320437. The next prime is 21339320537. The reversal of 21339320483 is 38402393312.

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

It is not a de Polignac number, because 21339320483 - 26 = 21339320419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21339322483) 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 7 ways as a sum of consecutive naturals, for example, 6410 + ... + 206687.

It is an arithmetic number, because the mean of its divisors is an integer number (2872987236).

Almost surely, 221339320483 is an apocalyptic number.

21339320483 is a deficient number, since it is larger than the sum of its proper divisors (1644577405).

21339320483 is a wasteful number, since it uses less digits than its factorization.

21339320483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220813.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 21339320483 in words is "twenty-one billion, three hundred thirty-nine million, three hundred twenty thousand, four hundred eighty-three".

Divisors: 1 13 7703 100139 213097 2770261 1641486191 21339320483