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2112113910 = 235193705463
BaseRepresentation
bin111110111100100…
…0100110011110110
312110012022111121010
41331321010303312
513311200121120
6545325533050
7103224446334
oct17571046366
95405274533
102112113910
11994262495
124ab414186
1327876c95a
14160720b54
15c565b7e0
hex7de44cf6

2112113910 has 32 divisors (see below), whose sum is σ = 5335868160. Its totient is φ = 533586528.

The previous prime is 2112113909. The next prime is 2112113911. The reversal of 2112113910 is 193112112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112113909) and next prime (2112113911).

It is a super-2 number, since 2×21121139102 = 8922050337630976200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112113911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1852162 + ... + 1853301.

It is an arithmetic number, because the mean of its divisors is an integer number (166745880).

Almost surely, 22112113910 is an apocalyptic number.

2112113910 is an abundant number, since it is smaller than the sum of its proper divisors (3223754250).

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

2112113910 is a wasteful number, since it uses less digits than its factorization.

2112113910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705492.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 2112113910 is about 45957.7404797059. The cubic root of 2112113910 is about 1283.0367978864.

The spelling of 2112113910 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 3705463 7410926 11116389 18527315 22232778 37054630 55581945 70403797 111163890 140807594 211211391 352018985 422422782 704037970 1056056955 2112113910