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140211331 = 13101106787
BaseRepresentation
bin10000101101101…
…11010010000011
3100202211110210021
420112313102003
5241343230311
621525114311
73321530251
oct1026672203
9322743707
10140211331
1172166937
123ab58997
13230825b0
141489b5d1
15c499171
hex85b7483

140211331 has 8 divisors (see below), whose sum is σ = 152493264. Its totient is φ = 128143200.

The previous prime is 140211329. The next prime is 140211353. The reversal of 140211331 is 133112041.

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

It is a cyclic number.

It is not a de Polignac number, because 140211331 - 21 = 140211329 is a prime.

It is a super-2 number, since 2×1402113312 = 39318434681583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140211371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52081 + ... + 54706.

It is an arithmetic number, because the mean of its divisors is an integer number (19061658).

Almost surely, 2140211331 is an apocalyptic number.

140211331 is a deficient number, since it is larger than the sum of its proper divisors (12281933).

140211331 is a wasteful number, since it uses less digits than its factorization.

140211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106901.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 140211331 is about 11841.0865633184. The cubic root of 140211331 is about 519.5105490634.

Adding to 140211331 its reverse (133112041), we get a palindrome (273323372).

The spelling of 140211331 in words is "one hundred forty million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 13 101 1313 106787 1388231 10785487 140211331