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20334343144 = 2317149517229
BaseRepresentation
bin10010111100000001…
…010111001111101000
31221111010122122211011
4102330001113033220
5313121042440034
613201431313304
71316622031153
oct227401271750
957433578734
1020334343144
11869522aa75
123b35b1b834
131bc0a3b50b
14dac878c9a
157e02b0864
hex4bc0573e8

20334343144 has 16 divisors (see below), whose sum is σ = 40369652100. Its totient is φ = 9569102592.

The previous prime is 20334343123. The next prime is 20334343151. The reversal of 20334343144 is 44134343302.

It can be written as a sum of positive squares in 2 ways, for example, as 20266939044 + 67404100 = 142362^2 + 8210^2 .

It is a super-2 number, since 2×203343431442 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74758479 + ... + 74758750.

Almost surely, 220334343144 is an apocalyptic number.

It is an amenable number.

20334343144 is a deficient number, since it is larger than the sum of its proper divisors (20035308956).

20334343144 is a wasteful number, since it uses less digits than its factorization.

20334343144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149517252 (or 149517248 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20334343144 its reverse (44134343302), we get a palindrome (64468686446).

The spelling of 20334343144 in words is "twenty billion, three hundred thirty-four million, three hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 17 34 68 136 149517229 299034458 598068916 1196137832 2541792893 5083585786 10167171572 20334343144