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102233322221 = 190753609503
BaseRepresentation
bin101111100110110010…
…1001011001011101101
3100202212211000212101112
41133031211023023231
53133333212302341
6114544302521405
710246302621002
oct1371545131355
9322784025345
10102233322221
113a3a2055148
1217991896265
13984340a294
144d3b8d38a9
1529d5339aeb
hex17cd94b2ed

102233322221 has 4 divisors (see below), whose sum is σ = 102286933632. Its totient is φ = 102179710812.

The previous prime is 102233322209. The next prime is 102233322223. The reversal of 102233322221 is 122223332201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102233322221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102233322223) 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, 26802845 + ... + 26806658.

It is an arithmetic number, because the mean of its divisors is an integer number (25571733408).

Almost surely, 2102233322221 is an apocalyptic number.

It is an amenable number.

102233322221 is a deficient number, since it is larger than the sum of its proper divisors (53611411).

102233322221 is an equidigital number, since it uses as much as digits as its factorization.

102233322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53611410.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 102233322221 its reverse (122223332201), we get a palindrome (224456654422).

The spelling of 102233322221 in words is "one hundred two billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 1907 53609503 102233322221