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2102212053231 = 317165192495299
BaseRepresentation
bin11110100101110101100…
…110100100100011101111
321102222011202212010210020
4132211311212210203233
5233420312241200411
64245424244013223
7304610526423243
oct36456546444357
97388152763706
102102212053231
117405a7999254
1229b50a691213
13123312435744
1473a67608423
1539a3b515606
hex1e9759a48ef

2102212053231 has 16 divisors (see below), whose sum is σ = 2968009632000. Its totient is φ = 1318954635648.

The previous prime is 2102212053211. The next prime is 2102212053341. The reversal of 2102212053231 is 1323502122012.

It is not a de Polignac number, because 2102212053231 - 237 = 1964773099759 is a prime.

It is a super-2 number, since 2×21022120532312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102212053211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405181 + ... + 2090118.

It is an arithmetic number, because the mean of its divisors is an integer number (185500602000).

Almost surely, 22102212053231 is an apocalyptic number.

2102212053231 is a deficient number, since it is larger than the sum of its proper divisors (865797578769).

2102212053231 is a wasteful number, since it uses less digits than its factorization.

2102212053231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511838.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 2102212053231 its reverse (1323502122012), we get a palindrome (3425714175243).

The spelling of 2102212053231 in words is "two trillion, one hundred two billion, two hundred twelve million, fifty-three thousand, two hundred thirty-one".

Divisors: 1 3 17 51 16519 49557 280823 842469 2495299 7485897 42420083 127260249 41219844181 123659532543 700737351077 2102212053231