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2113212310 = 251129662449
BaseRepresentation
bin111110111110101…
…0000111110010110
312110021101022022121
41331331100332112
513311440243220
6545405250154
7103240002556
oct17575207626
95407338277
102113212310
11994942760
124ab86395a
13278a658b1
14160929166
15c57c6eaa
hex7df50f96

2113212310 has 32 divisors (see below), whose sum is σ = 4292676000. Its totient is φ = 741941760.

The previous prime is 2113212293. The next prime is 2113212323. The reversal of 2113212310 is 132123112.

It is a super-2 number, since 2×21132123102 = 8931332534271072200, which contains 22 as substring.

It is a congruent number.

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, 328035 + ... + 334414.

It is an arithmetic number, because the mean of its divisors is an integer number (134146125).

Almost surely, 22113212310 is an apocalyptic number.

2113212310 is an abundant number, since it is smaller than the sum of its proper divisors (2179463690).

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

2113212310 is a wasteful number, since it uses less digits than its factorization.

2113212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662496.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113212310 is about 45969.6890352763. The cubic root of 2113212310 is about 1283.2591727914.

Adding to 2113212310 its reverse (132123112), we get a palindrome (2245335422).

The spelling of 2113212310 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 662449 1324898 3312245 6624490 7286939 14573878 19211021 36434695 38422042 72869390 96055105 192110210 211321231 422642462 1056606155 2113212310