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2050171850749 = 111256511483309
BaseRepresentation
bin11101110101010111110…
…000111100111111111101
321020222212000000221111111
4131311113300330333331
5232042222443210444
64205500321522021
7301056112125301
oct35652760747775
97228760027444
102050171850749
1172052261a950
122914064a3311
1311b43aab3919
147132bd55d01
15384e29bb234
hex1dd57c3cffd

2050171850749 has 8 divisors (see below), whose sum is σ = 2236570417440. Its totient is φ = 1863776502000.

The previous prime is 2050171850747. The next prime is 2050171850767. The reversal of 2050171850749 is 9470581710502.

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

It is a cyclic number.

It is not a de Polignac number, because 2050171850749 - 21 = 2050171850747 is a prime.

It is a super-2 number, since 2×20501718507492 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050171850747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640507 + ... + 2123815.

It is an arithmetic number, because the mean of its divisors is an integer number (279571302180).

Almost surely, 22050171850749 is an apocalyptic number.

It is an amenable number.

2050171850749 is a deficient number, since it is larger than the sum of its proper divisors (186398566691).

2050171850749 is a wasteful number, since it uses less digits than its factorization.

2050171850749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608971.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 2050171850749 in words is "two trillion, fifty billion, one hundred seventy-one million, eight hundred fifty thousand, seven hundred forty-nine".

Divisors: 1 11 125651 1382161 1483309 16316399 186379259159 2050171850749