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140144341121425 = 5219728455703781
BaseRepresentation
bin11111110111010111100101…
…101010110111100110010001
3200101012200001002112020102101
4133313113211222313212101
5121332111102311341200
61214021231014120401
741343044263420054
oct3767274552674621
9611180032466371
10140144341121425
114072197700a143
1213874ab4350101
13602772978bca4
1426870452a8a9b
1511307213b626a
hex7f75e5ab7991

140144341121425 has 12 divisors (see below), whose sum is σ = 174661109813916. Its totient is φ = 111546358817600.

The previous prime is 140144341121419. The next prime is 140144341121429. The reversal of 140144341121425 is 524121143441041.

It can be written as a sum of positive squares in 6 ways, for example, as 12752848058769 + 127391493062656 = 3571113^2 + 11286784^2 .

It is not a de Polignac number, because 140144341121425 - 23 = 140144341121417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140144341121429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14227846966 + ... + 14227856815.

It is an arithmetic number, because the mean of its divisors is an integer number (14555092484493).

Almost surely, 2140144341121425 is an apocalyptic number.

It is an amenable number.

140144341121425 is a deficient number, since it is larger than the sum of its proper divisors (34516768692491).

140144341121425 is a wasteful number, since it uses less digits than its factorization.

140144341121425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28455703988 (or 28455703983 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

Adding to 140144341121425 its reverse (524121143441041), we get a palindrome (664265484562466).

The spelling of 140144341121425 in words is "one hundred forty trillion, one hundred forty-four billion, three hundred forty-one million, one hundred twenty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 197 985 4925 28455703781 142278518905 711392594525 5605773644857 28028868224285 140144341121425