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2111002012 = 227128358763
BaseRepresentation
bin111110111010011…
…0101010110011100
312110010020000100201
41331310311112130
513310404031022
6545250033244
7103212135550
oct17564652634
95403200321
102111002012
11993673069
124aab78824
13278470822
14160511860
15c54dc127
hex7dd3559c

2111002012 has 24 divisors (see below), whose sum is σ = 4225366656. Its totient is φ = 903994608.

The previous prime is 2111002007. The next prime is 2111002073. The reversal of 2111002012 is 2102001112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111002012.

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 7 ways as a sum of consecutive naturals, for example, 6543 + ... + 65305.

It is an arithmetic number, because the mean of its divisors is an integer number (176056944).

Almost surely, 22111002012 is an apocalyptic number.

It is an amenable number.

2111002012 is an abundant number, since it is smaller than the sum of its proper divisors (2114364644).

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

2111002012 is a wasteful number, since it uses less digits than its factorization.

2111002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60057 (or 60055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111002012 is about 45945.6419260848. The cubic root of 2111002012 is about 1282.8116117264.

Adding to 2111002012 its reverse (2102001112), we get a palindrome (4213003124).

The spelling of 2111002012 in words is "two billion, one hundred eleven million, two thousand, twelve".

Divisors: 1 2 4 7 14 28 1283 2566 5132 8981 17962 35924 58763 117526 235052 411341 822682 1645364 75392929 150785858 301571716 527750503 1055501006 2111002012