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2113213110 = 23594174857
BaseRepresentation
bin111110111110101…
…0001001010110110
312110021101100102020
41331331101022312
513311440304420
6545405254010
7103240005111
oct17575211266
95407340366
102113213110
11994943318
124ab864306
13278a66078
14160929578
15c57c7340
hex7df512b6

2113213110 has 32 divisors (see below), whose sum is σ = 5077168992. Its totient is φ = 562917120.

The previous prime is 2113213087. The next prime is 2113213121. The reversal of 2113213110 is 113123112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113213110.

It is a congruent number.

It is an unprimeable number.

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, 9199 + ... + 65658.

It is an arithmetic number, because the mean of its divisors is an integer number (158661531).

Almost surely, 22113213110 is an apocalyptic number.

2113213110 is an abundant number, since it is smaller than the sum of its proper divisors (2963955882).

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

2113213110 is a wasteful number, since it uses less digits than its factorization.

2113213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75808.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113213110 is about 45969.6977366613. The cubic root of 2113213110 is about 1283.2593347261.

Adding to 2113213110 its reverse (113123112), we get a palindrome (2226336222).

The spelling of 2113213110 in words is "two billion, one hundred thirteen million, two hundred thirteen thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 941 1882 2823 4705 5646 9410 14115 28230 74857 149714 224571 374285 449142 748570 1122855 2245710 70440437 140880874 211321311 352202185 422642622 704404370 1056606555 2113213110