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2140422013 = 5340385321
BaseRepresentation
bin111111110010100…
…0011111101111101
312112011120201000101
41333211003331331
513340422001023
6552220401101
7104020200262
oct17745037575
95464521011
102140422013
119a9237814
124b89a6191
132815a1802
141643ad269
15c7d9e1ad
hex7f943f7d

2140422013 has 4 divisors (see below), whose sum is σ = 2180807388. Its totient is φ = 2100036640.

The previous prime is 2140422007. The next prime is 2140422023. The reversal of 2140422013 is 3102240412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1008570564 + 1131851449 = 31758^2 + 33643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140422013 - 25 = 2140421981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140422023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20192608 + ... + 20192713.

It is an arithmetic number, because the mean of its divisors is an integer number (545201847).

Almost surely, 22140422013 is an apocalyptic number.

It is an amenable number.

2140422013 is a deficient number, since it is larger than the sum of its proper divisors (40385375).

2140422013 is an equidigital number, since it uses as much as digits as its factorization.

2140422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40385374.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2140422013 is about 46264.6951032858. The cubic root of 2140422013 is about 1288.7434458128.

Adding to 2140422013 its reverse (3102240412), we get a palindrome (5242662425).

The spelling of 2140422013 in words is "two billion, one hundred forty million, four hundred twenty-two thousand, thirteen".

Divisors: 1 53 40385321 2140422013