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1221442414300 = 225212214424143
BaseRepresentation
bin10001110001100011101…
…001000010011011011100
311022202202102101121200001
4101301203221002123130
5130003003224224200
62333042313544044
7154150324134313
oct21614351023334
94282672347601
101221442414300
11431013444349
12178882715024
138b248a71814
144319220327a
1521b8c3c876a
hex11c63a426dc

1221442414300 has 18 divisors (see below), whose sum is σ = 2650530039248. Its totient is φ = 488576965680.

The previous prime is 1221442414279. The next prime is 1221442414331. The reversal of 1221442414300 is 34142441221.

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 5 ways as a sum of consecutive naturals, for example, 6107211972 + ... + 6107212171.

Almost surely, 21221442414300 is an apocalyptic number.

1221442414300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1221442414300 is an abundant number, since it is smaller than the sum of its proper divisors (1429087624948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221442414300 is a wasteful number, since it uses less digits than its factorization.

1221442414300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214424157 (or 12214424150 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1221442414300 its reverse (34142441221), we get a palindrome (1255584855521).

The spelling of 1221442414300 in words is "one trillion, two hundred twenty-one billion, four hundred forty-two million, four hundred fourteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 12214424143 24428848286 48857696572 61072120715 122144241430 244288482860 305360603575 610721207150 1221442414300