Search a number
-
+
20021212101002 = 271430086578643
BaseRepresentation
bin1001000110101100011010…
…01111000011100110001010
32121220000020200202212220012
410203112031033003212022
510111011420244213002
6110325341243031522
74134325204633640
oct443261517034612
977800220685805
1020021212101002
116419a48308522
1222b42b350b5a2
13b22cb8b2baa8
144d3063503190
1524abe722cd52
hex12358d3c398a

20021212101002 has 8 divisors (see below), whose sum is σ = 34322077887456. Its totient is φ = 8580519471852.

The previous prime is 20021212100971. The next prime is 20021212101101. The reversal of 20021212101002 is 20010121212002.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1430086578643 = 20021212101002 / (2 + 0 + 0 + 2 + 1 + 2 + 1 + 2 + 1 + 0 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715043289308 + ... + 715043289335.

It is an arithmetic number, because the mean of its divisors is an integer number (4290259735932).

Almost surely, 220021212101002 is an apocalyptic number.

20021212101002 is a deficient number, since it is larger than the sum of its proper divisors (14300865786454).

20021212101002 is a wasteful number, since it uses less digits than its factorization.

20021212101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430086578652.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021212101002 its reverse (20010121212002), we get a palindrome (40031333313004).

The spelling of 20021212101002 in words is "twenty trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, two".

Divisors: 1 2 7 14 1430086578643 2860173157286 10010606050501 20021212101002