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1014030121 = 1378002317
BaseRepresentation
bin111100011100001…
…101111100101001
32121200002001211011
4330130031330221
54034042430441
6244342103521
734062054016
oct7434157451
92550061734
101014030121
11480436925
1224371aba1
13132110230
149896070d
155e053581
hex3c70df29

1014030121 has 4 divisors (see below), whose sum is σ = 1092032452. Its totient is φ = 936027792.

The previous prime is 1014030113. The next prime is 1014030137. The reversal of 1014030121 is 1210304101.

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 677821225 + 336208896 = 26035^2 + 18336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1014030121 - 23 = 1014030113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 78002317 = 1014030121 / (1 + 0 + 1 + 4 + 0 + 3 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1014030191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39001146 + ... + 39001171.

It is an arithmetic number, because the mean of its divisors is an integer number (273008113).

Almost surely, 21014030121 is an apocalyptic number.

It is an amenable number.

1014030121 is a deficient number, since it is larger than the sum of its proper divisors (78002331).

1014030121 is an equidigital number, since it uses as much as digits as its factorization.

1014030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78002330.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1014030121 is about 31843.8396083136. The cubic root of 1014030121 is about 1004.6550043117.

Adding to 1014030121 its reverse (1210304101), we get a palindrome (2224334222).

The spelling of 1014030121 in words is "one billion, fourteen million, thirty thousand, one hundred twenty-one".

Divisors: 1 13 78002317 1014030121