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140244216454 = 2238932934839
BaseRepresentation
bin1000001010011100110…
…1001110101010000110
3111101222212020100202001
42002213031032222012
54244210004411304
6144232144135514
713063245112426
oct2024715165206
9441885210661
10140244216454
1154528227621
122321b60759a
13102c035b084
146b05c40486
1539ac3b1da4
hex20a734ea86

140244216454 has 8 divisors (see below), whose sum is σ = 210375200880. Its totient is φ = 70119149496.

The previous prime is 140244216451. The next prime is 140244216517. The reversal of 140244216454 is 454612442041.

140244216454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244216451) 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 3 ways as a sum of consecutive naturals, for example, 1419634 + ... + 1515205.

It is an arithmetic number, because the mean of its divisors is an integer number (26296900110).

Almost surely, 2140244216454 is an apocalyptic number.

140244216454 is a deficient number, since it is larger than the sum of its proper divisors (70130984426).

140244216454 is a wasteful number, since it uses less digits than its factorization.

140244216454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958734.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 140244216454 its reverse (454612442041), we get a palindrome (594856658495).

The spelling of 140244216454 in words is "one hundred forty billion, two hundred forty-four million, two hundred sixteen thousand, four hundred fifty-four".

Divisors: 1 2 23893 47786 2934839 5869678 70122108227 140244216454