Search a number
-
+
2212023031212 = 2231731349782263
BaseRepresentation
bin100000001100000110110…
…110001101010110101100
321211110121200120210200210
4200030012312031112230
5242220210343444322
64412104522222420
7315545664351141
oct40140666152654
97743550523623
102212023031212
11783128374315
122b8856054a10
131307927200a7
14790c36663c8
153c816c2170c
hex20306d8d5ac

2212023031212 has 48 divisors (see below), whose sum is σ = 5641288353792. Its totient is φ = 671581943040.

The previous prime is 2212023031189. The next prime is 2212023031271. The reversal of 2212023031212 is 2121303202122.

It is a super-2 number, since 2×22120230312122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174884808 + ... + 174897455.

It is an arithmetic number, because the mean of its divisors is an integer number (117526840704).

Almost surely, 22212023031212 is an apocalyptic number.

It is an amenable number.

2212023031212 is an abundant number, since it is smaller than the sum of its proper divisors (3429265322580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212023031212 is a wasteful number, since it uses less digits than its factorization.

2212023031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349782318 (or 349782316 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2212023031212 its reverse (2121303202122), we get a palindrome (4333326233334).

The spelling of 2212023031212 in words is "two trillion, two hundred twelve billion, twenty-three million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 372 527 1054 1581 2108 3162 6324 349782263 699564526 1049346789 1399129052 2098693578 4197387156 5946298471 10843250153 11892596942 17838895413 21686500306 23785193884 32529750459 35677790826 43373000612 65059500918 71355581652 130119001836 184335252601 368670505202 553005757803 737341010404 1106011515606 2212023031212