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2131110110 = 251911216369
BaseRepresentation
bin111111100000110…
…0010100011011110
312111112001121111002
41333001202203132
513331031010420
6551245030302
7103545065003
oct17701424336
95445047432
102131110110
119a3a57628
124b5855392
1327c6911cc
141630678aa
15c7160075
hex7f0628de

2131110110 has 16 divisors (see below), whose sum is σ = 4037893200. Its totient is φ = 807578496.

The previous prime is 2131110061. The next prime is 2131110133. The reversal of 2131110110 is 110111312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131110091 and 2131110100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5607995 + ... + 5608374.

It is an arithmetic number, because the mean of its divisors is an integer number (252368325).

Almost surely, 22131110110 is an apocalyptic number.

2131110110 is a deficient number, since it is larger than the sum of its proper divisors (1906783090).

2131110110 is a wasteful number, since it uses less digits than its factorization.

2131110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216395.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2131110110 is about 46163.9481630417. The cubic root of 2131110110 is about 1286.8718368476.

Adding to 2131110110 its reverse (110111312), we get a palindrome (2241221422).

The spelling of 2131110110 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 11216369 22432738 56081845 112163690 213111011 426222022 1065555055 2131110110