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1214202203245 = 5242840440649
BaseRepresentation
bin10001101010110100000…
…101110100110001101101
311022002001211122210021001
4101222310011310301231
5124343141231000440
62325444035040301
7153503030303263
oct21526405646155
94262054583231
101214202203245
11428a38542649
121773a1a40091
138a663a72975
1442aa67d8433
15218b6960b9a
hex11ab4174c6d

1214202203245 has 4 divisors (see below), whose sum is σ = 1457042643900. Its totient is φ = 971361762592.

The previous prime is 1214202203219. The next prime is 1214202203251. The reversal of 1214202203245 is 5423022024121.

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 625597156809 + 588605046436 = 790947^2 + 767206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214202203245 - 215 = 1214202170477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121420220320 + ... + 121420220329.

It is an arithmetic number, because the mean of its divisors is an integer number (364260660975).

Almost surely, 21214202203245 is an apocalyptic number.

It is an amenable number.

1214202203245 is a deficient number, since it is larger than the sum of its proper divisors (242840440655).

1214202203245 is an equidigital number, since it uses as much as digits as its factorization.

1214202203245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242840440654.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1214202203245 its reverse (5423022024121), we get a palindrome (6637224227366).

The spelling of 1214202203245 in words is "one trillion, two hundred fourteen billion, two hundred two million, two hundred three thousand, two hundred forty-five".

Divisors: 1 5 242840440649 1214202203245