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115440125441321 = 1997241259904867
BaseRepresentation
bin11010001111110111111111…
…101010110111010100101001
3120010201222010211022220011102
4122033313333222313110221
5110112332334103110241
61045304243404011145
733213162632016662
oct3217677752672451
9503658124286142
10115440125441321
1133867978325aaa
1210b450a0530ab5
134c54c59a36b35
14207149098c369
15d52ce134239b
hex68fdffab7529

115440125441321 has 16 divisors (see below), whose sum is σ = 123278076989760. Its totient is φ = 107787746027520.

The previous prime is 115440125441309. The next prime is 115440125441341. The reversal of 115440125441321 is 123144521044511.

It is a cyclic number.

It is not a de Polignac number, because 115440125441321 - 226 = 115440058332457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115440125441341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129508271 + ... + 130396596.

It is an arithmetic number, because the mean of its divisors is an integer number (7704879811860).

Almost surely, 2115440125441321 is an apocalyptic number.

It is an amenable number.

115440125441321 is a deficient number, since it is larger than the sum of its proper divisors (7837951548439).

115440125441321 is a wasteful number, since it uses less digits than its factorization.

115440125441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259905224.

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 115440125441321 its reverse (123144521044511), we get a palindrome (238584646485832).

The spelling of 115440125441321 in words is "one hundred fifteen trillion, four hundred forty billion, one hundred twenty-five million, four hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 19 97 241 1843 4579 23377 444163 259904867 4938192473 25210772099 62637072947 479004669881 1190104385993 6075796075859 115440125441321