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5121446401 = 17301261553
BaseRepresentation
bin1001100010100001…
…10001001000000001
3111012220220102201001
410301100301020001
540442042241101
62204110212001
7240625401421
oct46120611001
914186812631
105121446401
112198a17535
12bab1b4001
13638070c76
14368276481
151ee945901
hex131431201

5121446401 has 4 divisors (see below), whose sum is σ = 5422707972. Its totient is φ = 4820184832.

The previous prime is 5121446383. The next prime is 5121446417. The reversal of 5121446401 is 1046441215.

5121446401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3629942001 + 1491504400 = 60249^2 + 38620^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121446401 - 211 = 5121444353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121446401.

It is not an unprimeable number, because it can be changed into a prime (5121446431) 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, 150630760 + ... + 150630793.

It is an arithmetic number, because the mean of its divisors is an integer number (1355676993).

Almost surely, 25121446401 is an apocalyptic number.

It is an amenable number.

5121446401 is a deficient number, since it is larger than the sum of its proper divisors (301261571).

5121446401 is a wasteful number, since it uses less digits than its factorization.

5121446401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301261570.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5121446401 is about 71564.2816005303. The cubic root of 5121446401 is about 1723.7100376034.

Adding to 5121446401 its reverse (1046441215), we get a palindrome (6167887616).

The spelling of 5121446401 in words is "five billion, one hundred twenty-one million, four hundred forty-six thousand, four hundred one".

Divisors: 1 17 301261553 5121446401