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115303211400149 = 401287539180549
BaseRepresentation
bin11010001101111000011110…
…111101001111101111010101
3120010020212202001101222002122
4122031320132331033233111
5110103111434104301044
61045121321500545325
733200245031615123
oct3215703675175725
9503225661358078
10115303211400149
11338148a9983463
1210b22650252245
134c4507a5c4aa6
1420689c3140913
15d4e47b4e3dee
hex68de1ef4fbd5

115303211400149 has 4 divisors (see below), whose sum is σ = 115590750581100. Its totient is φ = 115015672219200.

The previous prime is 115303211400131. The next prime is 115303211400161. The reversal of 115303211400149 is 941004112303511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113728894140625 + 1574317259524 = 10664375^2 + 1254718^2 .

It is a cyclic number.

It is not a de Polignac number, because 115303211400149 - 220 = 115303210351573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115303211400449) 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, 143769589874 + ... + 143769590675.

It is an arithmetic number, because the mean of its divisors is an integer number (28897687645275).

Almost surely, 2115303211400149 is an apocalyptic number.

It is an amenable number.

115303211400149 is a deficient number, since it is larger than the sum of its proper divisors (287539180951).

115303211400149 is an equidigital number, since it uses as much as digits as its factorization.

115303211400149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287539180950.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 115303211400149 in words is "one hundred fifteen trillion, three hundred three billion, two hundred eleven million, four hundred thousand, one hundred forty-nine".

Divisors: 1 401 287539180549 115303211400149