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102223320203 = 155009659467
BaseRepresentation
bin101111100110011111…
…1000001010010001011
3100202212010012201012102
41133030333001102023
53133323132221303
6114543304304015
710246121612414
oct1371477012213
9322763181172
10102223320203
113a397443514
121798a47200b
139841317824
144d3a44c80b
1529d4511288
hex17ccfc148b

102223320203 has 4 divisors (see below), whose sum is σ = 102224134680. Its totient is φ = 102222505728.

The previous prime is 102223320137. The next prime is 102223320239. The reversal of 102223320203 is 302023322201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 302023322201 = 471101641101.

It is a cyclic number.

It is not a de Polignac number, because 102223320203 - 218 = 102223058059 is a prime.

It is a super-2 number, since 2×1022233202032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102223320253) 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, 174725 + ... + 484742.

It is an arithmetic number, because the mean of its divisors is an integer number (25556033670).

Almost surely, 2102223320203 is an apocalyptic number.

102223320203 is a deficient number, since it is larger than the sum of its proper divisors (814477).

102223320203 is an equidigital number, since it uses as much as digits as its factorization.

102223320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814476.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 102223320203 its reverse (302023322201), we get a palindrome (404246642404).

The spelling of 102223320203 in words is "one hundred two billion, two hundred twenty-three million, three hundred twenty thousand, two hundred three".

Divisors: 1 155009 659467 102223320203