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115203029 is a prime number
BaseRepresentation
bin1101101110111…
…01101111010101
322000202220211212
412313131233111
5213442444104
615233111205
72566131614
oct667355725
9260686755
10115203029
115a035817
12326b8505
131ab37696
141142b87b
15a1a936e
hex6dddbd5

115203029 has 2 divisors, whose sum is σ = 115203030. Its totient is φ = 115203028.

The previous prime is 115203017. The next prime is 115203031. The reversal of 115203029 is 920302511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104080804 + 11122225 = 10202^2 + 3335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115203029 is a prime.

It is a super-3 number, since 3×1152030293 (a number of 25 digits) contains 333 as substring.

Together with 115203031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115202995 and 115203013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115203329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57601514 + 57601515.

It is an arithmetic number, because the mean of its divisors is an integer number (57601515).

Almost surely, 2115203029 is an apocalyptic number.

It is an amenable number.

115203029 is a deficient number, since it is larger than the sum of its proper divisors (1).

115203029 is an equidigital number, since it uses as much as digits as its factorization.

115203029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 115203029 is about 10733.2673962778. The cubic root of 115203029 is about 486.5804241895.

The spelling of 115203029 in words is "one hundred fifteen million, two hundred three thousand, twenty-nine".