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1214553224455 = 5242910644891
BaseRepresentation
bin10001101011001001000…
…000110111010100000111
311022002222022011111211121
4101223021000313110013
5124344401111140310
62325542534414411
7153514522032604
oct21531100672407
94262868144747
101214553224455
114290a86a501a
1217747b501407
138a6bb6c591c
1442adb28d6ab
15218d769c0da
hex11ac9037507

1214553224455 has 4 divisors (see below), whose sum is σ = 1457463869352. Its totient is φ = 971642579560.

The previous prime is 1214553224447. The next prime is 1214553224483. The reversal of 1214553224455 is 5544223554121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1214553224455 - 23 = 1214553224447 is a prime.

It is a super-2 number, since 2×12145532244552 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 121455322441 + ... + 121455322450.

It is an arithmetic number, because the mean of its divisors is an integer number (364365967338).

Almost surely, 21214553224455 is an apocalyptic number.

1214553224455 is a deficient number, since it is larger than the sum of its proper divisors (242910644897).

1214553224455 is an equidigital number, since it uses as much as digits as its factorization.

1214553224455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242910644896.

The product of its digits is 960000, while the sum is 43.

Adding to 1214553224455 its reverse (5544223554121), we get a palindrome (6758776778576).

The spelling of 1214553224455 in words is "one trillion, two hundred fourteen billion, five hundred fifty-three million, two hundred twenty-four thousand, four hundred fifty-five".

Divisors: 1 5 242910644891 1214553224455