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1214450355245 = 5242890071049
BaseRepresentation
bin10001101011000010111…
…000011100110000101101
311022002201010121012210212
4101223002320130300231
5124344143242331440
62325524421512205
7153512132460431
oct21530270346055
94262633535725
101214450355245
11429055623946
12177450b72665
138a6a32b917a
1442acb7529c1
15218cd62c465
hex11ac2e1cc2d

1214450355245 has 4 divisors (see below), whose sum is σ = 1457340426300. Its totient is φ = 971560284192.

The previous prime is 1214450355233. The next prime is 1214450355323. The reversal of 1214450355245 is 5425530544121.

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 124560290761 + 1089890064484 = 352931^2 + 1043978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214450355245 - 24 = 1214450355229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121445035520 + ... + 121445035529.

It is an arithmetic number, because the mean of its divisors is an integer number (364335106575).

Almost surely, 21214450355245 is an apocalyptic number.

It is an amenable number.

1214450355245 is a deficient number, since it is larger than the sum of its proper divisors (242890071055).

1214450355245 is an equidigital number, since it uses as much as digits as its factorization.

1214450355245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242890071054.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 1214450355245 its reverse (5425530544121), we get a palindrome (6639980899366).

The spelling of 1214450355245 in words is "one trillion, two hundred fourteen billion, four hundred fifty million, three hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 5 242890071049 1214450355245