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115231231540401 = 338410410513467
BaseRepresentation
bin11010001100110101011100…
…100111110111110010110001
3120002222222221122121020020020
4122030311130213313302301
5110100422030233243101
61045024255202434053
733162116224115454
oct3214653447676261
9502888848536206
10115231231540401
1133797322150469
1210b10702362929
134c3b348c352c2
1420653155d349b
15d4c66719d136
hex68cd5c9f7cb1

115231231540401 has 4 divisors (see below), whose sum is σ = 153641642053872. Its totient is φ = 76820821026932.

The previous prime is 115231231540349. The next prime is 115231231540429. The reversal of 115231231540401 is 104045132132511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115231231540401 - 210 = 115231231539377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115231231540001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19205205256731 + ... + 19205205256736.

It is an arithmetic number, because the mean of its divisors is an integer number (38410410513468).

Almost surely, 2115231231540401 is an apocalyptic number.

It is an amenable number.

115231231540401 is a deficient number, since it is larger than the sum of its proper divisors (38410410513471).

115231231540401 is an equidigital number, since it uses as much as digits as its factorization.

115231231540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38410410513470.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 115231231540401 its reverse (104045132132511), we get a palindrome (219276363672912).

The spelling of 115231231540401 in words is "one hundred fifteen trillion, two hundred thirty-one billion, two hundred thirty-one million, five hundred forty thousand, four hundred one".

Divisors: 1 3 38410410513467 115231231540401