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2111333064 = 23387972211
BaseRepresentation
bin111110111011000…
…0110001011001000
312110010211211110220
41331312012023020
513311000124224
6545301110040
7103215014661
oct17566061310
95403754426
102111333064
11993879865
124ab0b8320
13278558409
1416059a368
15c5555279
hex7dd862c8

2111333064 has 16 divisors (see below), whose sum is σ = 5278332720. Its totient is φ = 703777680.

The previous prime is 2111333051. The next prime is 2111333099. The reversal of 2111333064 is 4603331112.

It is a happy number.

2111333064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 87972211 = 2111333064 / (2 + 1 + 1 + 1 + 3 + 3 + 3 + 0 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43986082 + ... + 43986129.

It is an arithmetic number, because the mean of its divisors is an integer number (329895795).

Almost surely, 22111333064 is an apocalyptic number.

2111333064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111333064 is an abundant number, since it is smaller than the sum of its proper divisors (3166999656).

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

2111333064 is a wasteful number, since it uses less digits than its factorization.

2111333064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87972220 (or 87972216 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2111333064 is about 45949.2444333963. The cubic root of 2111333064 is about 1282.8786660051.

Adding to 2111333064 its reverse (4603331112), we get a palindrome (6714664176).

The spelling of 2111333064 in words is "two billion, one hundred eleven million, three hundred thirty-three thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 87972211 175944422 263916633 351888844 527833266 703777688 1055666532 2111333064