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2140142307 = 32963240763
BaseRepresentation
bin111111110001111…
…1111101011100011
312112011001111022220
41333203333223203
513340334023212
6552210402123
7104014623642
oct17743775343
95464044286
102140142307
119a9066656
124b8890343
132815043c4
14164339359
15c7d4638c
hex7f8ffae3

2140142307 has 8 divisors (see below), whose sum is σ = 2854497984. Its totient is φ = 1426274088.

The previous prime is 2140142287. The next prime is 2140142309. The reversal of 2140142307 is 7032410412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2140142307 - 26 = 2140142243 is a prime.

It is a super-2 number, since 2×21401423072 = 9160418188422564498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140142309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111493 + ... + 129270.

It is an arithmetic number, because the mean of its divisors is an integer number (356812248).

Almost surely, 22140142307 is an apocalyptic number.

2140142307 is a deficient number, since it is larger than the sum of its proper divisors (714355677).

2140142307 is a wasteful number, since it uses less digits than its factorization.

2140142307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243729.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2140142307 is about 46261.6721163427. The cubic root of 2140142307 is about 1288.6873065756.

Adding to 2140142307 its reverse (7032410412), we get a palindrome (9172552719).

The spelling of 2140142307 in words is "two billion, one hundred forty million, one hundred forty-two thousand, three hundred seven".

Divisors: 1 3 2963 8889 240763 722289 713380769 2140142307