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4250013121 = 40031061707
BaseRepresentation
bin1111110101010010…
…0000110111000001
3101222012011000222101
43331110200313001
532201000404441
61541420310401
7210214341544
oct37524406701
911865130871
104250013121
111891026842
129a73a2401
1352966a083
142c463485b
1519d1ad231
hexfd520dc1

4250013121 has 4 divisors (see below), whose sum is σ = 4251078832. Its totient is φ = 4248947412.

The previous prime is 4250013113. The next prime is 4250013151. The reversal of 4250013121 is 1213100524.

4250013121 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4250013121 - 23 = 4250013113 is a prime.

It is a super-2 number, since 2×42500131212 = 36125223057344321282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4250013151) 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, 526851 + ... + 534856.

It is an arithmetic number, because the mean of its divisors is an integer number (1062769708).

Almost surely, 24250013121 is an apocalyptic number.

It is an amenable number.

4250013121 is a deficient number, since it is larger than the sum of its proper divisors (1065711).

4250013121 is a wasteful number, since it uses less digits than its factorization.

4250013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065710.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4250013121 is about 65192.1246854250. The cubic root of 4250013121 is about 1619.8075675761.

Adding to 4250013121 its reverse (1213100524), we get a palindrome (5463113645).

The spelling of 4250013121 in words is "four billion, two hundred fifty million, thirteen thousand, one hundred twenty-one".

Divisors: 1 4003 1061707 4250013121