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102222432355 = 520444486471
BaseRepresentation
bin101111100110011101…
…1101000100001100011
3100202212001112121022011
41133030323220201203
53133322420313410
6114543233253351
710246111224061
oct1371473504143
9322761477264
10102222432355
113a39699745a
121798a104257
139841096684
144d3a29b031
1529d43d818a
hex17ccee8863

102222432355 has 4 divisors (see below), whose sum is σ = 122666918832. Its totient is φ = 81777945880.

The previous prime is 102222432353. The next prime is 102222432379. The reversal of 102222432355 is 553234222201.

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

It is not a de Polignac number, because 102222432355 - 21 = 102222432353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222432353) 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, 10222243231 + ... + 10222243240.

It is an arithmetic number, because the mean of its divisors is an integer number (30666729708).

Almost surely, 2102222432355 is an apocalyptic number.

102222432355 is a deficient number, since it is larger than the sum of its proper divisors (20444486477).

102222432355 is an equidigital number, since it uses as much as digits as its factorization.

102222432355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444486476.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 102222432355 its reverse (553234222201), we get a palindrome (655456654556).

The spelling of 102222432355 in words is "one hundred two billion, two hundred twenty-two million, four hundred thirty-two thousand, three hundred fifty-five".

Divisors: 1 5 20444486471 102222432355