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2112312108 = 2231733101573
BaseRepresentation
bin111110111100111…
…0101001100101100
312110012200120110210
41331321311030230
513311222441413
6545334102420
7103226233224
oct17571651454
95405616423
102112312108
11994388395
124ab4aaa10
1327880bc2a
14160773084
15c569a3c3
hex7de7532c

2112312108 has 24 divisors (see below), whose sum is σ = 4931620848. Its totient is φ = 703690816.

The previous prime is 2112312107. The next prime is 2112312109. The reversal of 2112312108 is 8012132112.

It is an interprime number because it is at equal distance from previous prime (2112312107) and next prime (2112312109).

It is not an unprimeable number, because it can be changed into a prime (2112312107) 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 7 ways as a sum of consecutive naturals, for example, 29991 + ... + 71582.

It is an arithmetic number, because the mean of its divisors is an integer number (205484202).

Almost surely, 22112312108 is an apocalyptic number.

It is an amenable number.

2112312108 is an abundant number, since it is smaller than the sum of its proper divisors (2819308740).

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

2112312108 is a wasteful number, since it uses less digits than its factorization.

2112312108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103313 (or 103311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 2112312108 is about 45959.8967361764. The cubic root of 2112312108 is about 1283.0769294614.

The spelling of 2112312108 in words is "two billion, one hundred twelve million, three hundred twelve thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 1733 3466 5199 6932 10398 20796 101573 203146 304719 406292 609438 1218876 176026009 352052018 528078027 704104036 1056156054 2112312108