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20048298169 = 1710928338231
BaseRepresentation
bin10010101010111110…
…001100000010111001
31220202012102001212211
4102222332030002321
5312024331020134
613113212335121
71306546502614
oct225276140271
956665361784
1020048298169
118558818169
123a761744a1
131b766b8533
14d8289917b
157c510b764
hex4aaf8c0b9

20048298169 has 16 divisors (see below), whose sum is σ = 21498618240. Its totient is φ = 18629326080.

The previous prime is 20048298161. The next prime is 20048298251. The reversal of 20048298169 is 96189284002.

It is a cyclic number.

It is not a de Polignac number, because 20048298169 - 23 = 20048298161 is a prime.

It is a super-2 number, since 2×200482981692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20048298161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 505284 + ... + 543514.

It is an arithmetic number, because the mean of its divisors is an integer number (1343663640).

Almost surely, 220048298169 is an apocalyptic number.

It is an amenable number.

20048298169 is a deficient number, since it is larger than the sum of its proper divisors (1450320071).

20048298169 is a wasteful number, since it uses less digits than its factorization.

20048298169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38640.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 20048298169 in words is "twenty billion, forty-eight million, two hundred ninety-eight thousand, one hundred sixty-nine".

Divisors: 1 17 109 283 1853 4811 30847 38231 524399 649927 4167179 10819373 70842043 183929341 1179311657 20048298169