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102055225243 = 119418546623
BaseRepresentation
bin101111100001011110…
…1110010011110011011
3100202102101220121021011
41133002331302132123
53133002114201433
6114514501354351
710242011046556
oct1370275623633
9322371817234
10102055225243
113a310572264
12179421089b7
13981555165a
144d21db369d
1529c48aa3cd
hex17c2f7279b

102055225243 has 4 divisors (see below), whose sum is σ = 102063783808. Its totient is φ = 102046666680.

The previous prime is 102055225199. The next prime is 102055225309. The reversal of 102055225243 is 342522550201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342522550201 = 1326347888477.

It is a cyclic number.

It is not a de Polignac number, because 102055225243 - 233 = 93465290651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102055325243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261371 + ... + 4285252.

It is an arithmetic number, because the mean of its divisors is an integer number (25515945952).

Almost surely, 2102055225243 is an apocalyptic number.

102055225243 is a deficient number, since it is larger than the sum of its proper divisors (8558565).

102055225243 is an equidigital number, since it uses as much as digits as its factorization.

102055225243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558564.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 102055225243 its reverse (342522550201), we get a palindrome (444577775444).

The spelling of 102055225243 in words is "one hundred two billion, fifty-five million, two hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 11941 8546623 102055225243