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2111402104 = 23797388697
BaseRepresentation
bin111110111011001…
…0111000001111000
312110010222100011221
41331312113001320
513311004331404
6545302401424
7103215423160
oct17566270170
95403870157
102111402104
11993916719
124ab130274
13278580976
141605b75a0
15c556a954
hex7dd97078

2111402104 has 32 divisors (see below), whose sum is σ = 4571088480. Its totient is φ = 895555584.

The previous prime is 2111402099. The next prime is 2111402107. The reversal of 2111402104 is 4012041112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111402107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188917 + ... + 199780.

It is an arithmetic number, because the mean of its divisors is an integer number (142846515).

Almost surely, 22111402104 is an apocalyptic number.

It is an amenable number.

2111402104 is an abundant number, since it is smaller than the sum of its proper divisors (2459686376).

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

2111402104 is a wasteful number, since it uses less digits than its factorization.

2111402104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388807 (or 388803 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2111402104 is about 45949.9956909682. The cubic root of 2111402104 is about 1282.8926491104.

Adding to 2111402104 its reverse (4012041112), we get a palindrome (6123443216).

The spelling of 2111402104 in words is "two billion, one hundred eleven million, four hundred two thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 679 776 1358 2716 5432 388697 777394 1554788 2720879 3109576 5441758 10883516 21767032 37703609 75407218 150814436 263925263 301628872 527850526 1055701052 2111402104