Search a number
-
+
1250454000013 = 9371334529349
BaseRepresentation
bin10010001100100100110…
…111011101000110001101
311102112122021210212112121
4102030210313131012031
5130441412211000023
62354241200532541
7156225262425001
oct22144467350615
94375567725477
101250454000013
11442350758069
1218241a621151
1390bc0424c9a
1444745278701
15227d935dd5d
hex12324ddd18d

1250454000013 has 4 divisors (see below), whose sum is σ = 1251788530300. Its totient is φ = 1249119469728.

The previous prime is 1250453999981. The next prime is 1250454000023. The reversal of 1250454000013 is 3100004540521.

It is a happy number.

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 24555516804 + 1225898483209 = 156702^2 + 1107203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250454000013 - 25 = 1250453999981 is a prime.

It is a super-2 number, since 2×12504540000132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250454000023) 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, 667263738 + ... + 667265611.

It is an arithmetic number, because the mean of its divisors is an integer number (312947132575).

Almost surely, 21250454000013 is an apocalyptic number.

It is an amenable number.

1250454000013 is a deficient number, since it is larger than the sum of its proper divisors (1334530287).

1250454000013 is an equidigital number, since it uses as much as digits as its factorization.

1250454000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334530286.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1250454000013 its reverse (3100004540521), we get a palindrome (4350458540534).

The spelling of 1250454000013 in words is "one trillion, two hundred fifty billion, four hundred fifty-four million, thirteen", and thus it is an aban number.

Divisors: 1 937 1334529349 1250454000013