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2131400110 = 257231323851
BaseRepresentation
bin111111100001010…
…1001010110101110
312111112121100021211
41333002221112232
513331114300420
6551255145034
7103550413330
oct17702512656
95445540254
102131400110
119a41354a4
124b597517a
1327c7631c8
14163101450
15c71bae5a
hex7f0a95ae

2131400110 has 32 divisors (see below), whose sum is σ = 4575232512. Its totient is φ = 698992800.

The previous prime is 2131400083. The next prime is 2131400111. The reversal of 2131400110 is 110041312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131400111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660316 + ... + 663535.

It is an arithmetic number, because the mean of its divisors is an integer number (142976016).

Almost surely, 22131400110 is an apocalyptic number.

2131400110 is an abundant number, since it is smaller than the sum of its proper divisors (2443832402).

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

2131400110 is a wasteful number, since it uses less digits than its factorization.

2131400110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323888.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2131400110 is about 46167.0890353724. The cubic root of 2131400110 is about 1286.9302064119.

Adding to 2131400110 its reverse (110041312), we get a palindrome (2241441422).

The spelling of 2131400110 in words is "two billion, one hundred thirty-one million, four hundred thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 1323851 2647702 6619255 9266957 13238510 18533914 30448573 46334785 60897146 92669570 152242865 213140011 304485730 426280022 1065700055 2131400110