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102005301255203 = 419243449406337
BaseRepresentation
bin10111001100010111110101…
…101111110001110000100011
3111101011121111211102001021002
4113030113311233301300203
5101332223324110131303
61000540331040022215
730325432312442663
oct2714276557616043
9441147454361232
10102005301255203
112a558229316505
12b53538900196b
1344bc09ba860c8
141b291237821a3
15bbd5d2dae788
hex5cc5f5bf1c23

102005301255203 has 4 divisors (see below), whose sum is σ = 102248750661960. Its totient is φ = 101761851848448.

The previous prime is 102005301255191. The next prime is 102005301255217. The reversal of 102005301255203 is 302552103500201.

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

It is a cyclic number.

It is not a de Polignac number, because 102005301255203 - 28 = 102005301254947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102005301275203) 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, 121724702750 + ... + 121724703587.

It is an arithmetic number, because the mean of its divisors is an integer number (25562187665490).

Almost surely, 2102005301255203 is an apocalyptic number.

102005301255203 is a deficient number, since it is larger than the sum of its proper divisors (243449406757).

102005301255203 is an equidigital number, since it uses as much as digits as its factorization.

102005301255203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243449406756.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 102005301255203 its reverse (302552103500201), we get a palindrome (404557404755404).

The spelling of 102005301255203 in words is "one hundred two trillion, five billion, three hundred one million, two hundred fifty-five thousand, two hundred three".

Divisors: 1 419 243449406337 102005301255203