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140231430311 = 7149134450077
BaseRepresentation
bin1000001010011001110…
…0011101000010100111
3111101221222011202110012
42002212130131002213
54244143221232221
6144231010120435
713063031330150
oct2024634350247
9441858152405
10140231430311
1154520a94165
122321728011b
13102ba8022cb
146b04272927
1539ab1d865b
hex20a671d0a7

140231430311 has 8 divisors (see below), whose sum is σ = 161340093600. Its totient is φ = 119391667488.

The previous prime is 140231430301. The next prime is 140231430323. The reversal of 140231430311 is 113034132041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140231430311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231430301) by changing a digit.

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, 67223996 + ... + 67226081.

It is an arithmetic number, because the mean of its divisors is an integer number (20167511700).

Almost surely, 2140231430311 is an apocalyptic number.

140231430311 is a deficient number, since it is larger than the sum of its proper divisors (21108663289).

140231430311 is a wasteful number, since it uses less digits than its factorization.

140231430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134450233.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 140231430311 its reverse (113034132041), we get a palindrome (253265562352).

The spelling of 140231430311 in words is "one hundred forty billion, two hundred thirty-one million, four hundred thirty thousand, three hundred eleven".

Divisors: 1 7 149 1043 134450077 941150539 20033061473 140231430311