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2051215140533 = 131719983496949
BaseRepresentation
bin11101110110010101111…
…100110010011010110101
321021002112201011120000212
4131312111330302122311
5232101342033444113
64210152031115205
7301124011005416
oct35662574623265
97232481146025
102051215140533
11720a08520a09
12291657972b05
1311b575c99b60
14713ca73180d
153855439e0a8
hex1dd95f326b5

2051215140533 has 32 divisors (see below), whose sum is σ = 2464553952000. Its totient is φ = 1686538146816.

The previous prime is 2051215140479. The next prime is 2051215140553. The reversal of 2051215140533 is 3350415121502.

It is a cyclic number.

It is not a de Polignac number, because 2051215140533 - 220 = 2051214091957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051215140533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051215140553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3879143 + ... + 4376091.

It is an arithmetic number, because the mean of its divisors is an integer number (77017311000).

Almost surely, 22051215140533 is an apocalyptic number.

It is an amenable number.

2051215140533 is a deficient number, since it is larger than the sum of its proper divisors (413338811467).

2051215140533 is a wasteful number, since it uses less digits than its factorization.

2051215140533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497981.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 2051215140533 in words is "two trillion, fifty-one billion, two hundred fifteen million, one hundred forty thousand, five hundred thirty-three".

Divisors: 1 13 17 19 221 247 323 983 4199 12779 16711 18677 217243 242801 317509 496949 4127617 6460337 8448133 9442031 109825729 122746403 160514527 488500867 2086688851 6350511271 8304514739 9281516473 107958691607 120659714149 157785780041 2051215140533