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2011110102 = 2321393592239
BaseRepresentation
bin111011111011111…
…0001101011010110
312012011020222102100
41313313301223112
513104321010402
6531321022530
7100560103521
oct16767615326
95164228370
102011110102
11942245871
12481624a46
132608672a1
1415114bbb8
15bb85971c
hex77df1ad6

2011110102 has 48 divisors (see below), whose sum is σ = 4402944000. Its totient is φ = 663396912.

The previous prime is 2011110091. The next prime is 2011110109. The reversal of 2011110102 is 2010111102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011110109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897099 + ... + 899337.

It is an arithmetic number, because the mean of its divisors is an integer number (91728000).

Almost surely, 22011110102 is an apocalyptic number.

2011110102 is an abundant number, since it is smaller than the sum of its proper divisors (2391833898).

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

2011110102 is a wasteful number, since it uses less digits than its factorization.

2011110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2011110102 is about 44845.4022392486. The cubic root of 2011110102 is about 1262.2497184749.

Adding to 2011110102 its reverse (2010111102), we get a palindrome (4021221204).

The spelling of 2011110102 in words is "two billion, eleven million, one hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 9 18 139 278 359 417 718 834 1077 1251 2154 2239 2502 3231 4478 6462 6717 13434 20151 40302 49901 99802 149703 299406 311221 449109 622442 803801 898218 933663 1607602 1867326 2411403 2800989 4822806 5601978 7234209 14468418 111728339 223456678 335185017 670370034 1005555051 2011110102