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2112120310 = 25474493873
BaseRepresentation
bin111110111100100…
…0110010111110110
312110012022211101011
41331321012113312
513311200322220
6545330022434
7103224504106
oct17571062766
95405284334
102112120310
11994267283
124ab417a1a
13278772841
14160723206
15c565d65a
hex7de465f6

2112120310 has 16 divisors (see below), whose sum is σ = 3882707136. Its totient is φ = 826872448.

The previous prime is 2112120301. The next prime is 2112120317. The reversal of 2112120310 is 130212112.

It is a super-2 number, since 2×21121203102 = 8922104407828992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112120317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246467 + ... + 2247406.

It is an arithmetic number, because the mean of its divisors is an integer number (242669196).

Almost surely, 22112120310 is an apocalyptic number.

2112120310 is a deficient number, since it is larger than the sum of its proper divisors (1770586826).

2112120310 is a wasteful number, since it uses less digits than its factorization.

2112120310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493927.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2112120310 is about 45957.8101088379. The cubic root of 2112120310 is about 1283.0380938120.

Adding to 2112120310 its reverse (130212112), we get a palindrome (2242332422).

The spelling of 2112120310 in words is "two billion, one hundred twelve million, one hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 47 94 235 470 4493873 8987746 22469365 44938730 211212031 422424062 1056060155 2112120310