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5250140121 = 311315487139
BaseRepresentation
bin1001110001110111…
…01100011111011001
3111112220001202022010
410320323230133121
541223013440441
62224544420133
7244050311652
oct47073543731
914486052263
105250140121
112254626a86
121026317649
1365891ccb5
1437b3b6529
1520adb7116
hex138eec7d9

5250140121 has 8 divisors (see below), whose sum is σ = 7062135840. Its totient is φ = 3469118912.

The previous prime is 5250140101. The next prime is 5250140179. The reversal of 5250140121 is 1210410525.

5250140121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5250140121 - 25 = 5250140089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5250140101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7743231 + ... + 7743908.

It is an arithmetic number, because the mean of its divisors is an integer number (882766980).

Almost surely, 25250140121 is an apocalyptic number.

It is an amenable number.

5250140121 is a deficient number, since it is larger than the sum of its proper divisors (1811995719).

5250140121 is a wasteful number, since it uses less digits than its factorization.

5250140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487255.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5250140121 is about 72457.8506512579. The cubic root of 5250140121 is about 1738.0287846653.

Adding to 5250140121 its reverse (1210410525), we get a palindrome (6460550646).

The spelling of 5250140121 in words is "five billion, two hundred fifty million, one hundred forty thousand, one hundred twenty-one".

Divisors: 1 3 113 339 15487139 46461417 1750046707 5250140121