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140443112531453 = 615524941672177
BaseRepresentation
bin11111111011101101110101…
…110101010110010111111101
3200102021020012222122102120012
4133323231311311112113331
5121402004443302001303
61214410401502233005
741403452152460444
oct3773556565262775
9612236188572505
10140443112531453
1140827653752626
1213902996285765
136049961bc6184
1426976a9197d5b
1511383aac8d5d8
hex7fbb75d565fd

140443112531453 has 8 divisors (see below), whose sum is σ = 142748045739000. Its totient is φ = 138138262778880.

The previous prime is 140443112531413. The next prime is 140443112531467. The reversal of 140443112531453 is 354135211344041.

Adding to 140443112531453 its reverse (354135211344041), we get a palindrome (494578323875494).

It can be written as a sum of positive squares in 4 ways, for example, as 454886849209 + 139988225682244 = 674453^2 + 11831662^2 .

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 140443112531453 - 242 = 136045066020349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140443112531453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140443112531413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17465900 + ... + 24206277.

It is an arithmetic number, because the mean of its divisors is an integer number (17843505717375).

Almost surely, 2140443112531453 is an apocalyptic number.

It is an amenable number.

140443112531453 is a deficient number, since it is larger than the sum of its proper divisors (2304933207547).

140443112531453 is an equidigital number, since it uses as much as digits as its factorization.

140443112531453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41727487.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 140443112531453 in words is "one hundred forty trillion, four hundred forty-three billion, one hundred twelve million, five hundred thirty-one thousand, four hundred fifty-three".

Divisors: 1 61 55249 3370189 41672177 2542002797 2302346107073 140443112531453