Search a number
-
+
20331313223012 = 2211795849054437
BaseRepresentation
bin1001001111101110000001…
…01100111101010101100100
32122222122200011202002002022
410213313000230331111210
510131102012141114022
6111124024254202312
74165613615655521
oct447670054752544
978878604662068
1020331313223012
116529509307240
1223444177b3398
13b4630859226c
1450407ddac148
15253ce65c1c42
hex127dc0b3d564

20331313223012 has 24 divisors (see below), whose sum is σ = 39305645823360. Its totient is φ = 9124524920160.

The previous prime is 20331313222991. The next prime is 20331313223029. The reversal of 20331313223012 is 21032231313302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2924523743 + ... + 2924530694.

It is an arithmetic number, because the mean of its divisors is an integer number (1637735242640).

Almost surely, 220331313223012 is an apocalyptic number.

20331313223012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20331313223012 is a deficient number, since it is larger than the sum of its proper divisors (18974332600348).

20331313223012 is a wasteful number, since it uses less digits than its factorization.

20331313223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849054531 (or 5849054529 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20331313223012 its reverse (21032231313302), we get a palindrome (41363544536314).

The spelling of 20331313223012 in words is "twenty trillion, three hundred thirty-one billion, three hundred thirteen million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 4 11 22 44 79 158 316 869 1738 3476 5849054437 11698108874 23396217748 64339598807 128679197614 257358395228 462075300523 924150601046 1848301202092 5082828305753 10165656611506 20331313223012