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130101223123 = 158243822161
BaseRepresentation
bin111100100101010100…
…0110001111011010011
3110102210222101220122101
41321022220301323103
54112421403114443
6135433452421231
712254013102334
oct1711250617323
9412728356571
10130101223123
11501a2826603
122126a777817
13c364b55c81
146422ad828b
1535b6baa84d
hex1e4aa31ed3

130101223123 has 4 divisors (see below), whose sum is σ = 130102203528. Its totient is φ = 130100242720.

The previous prime is 130101223121. The next prime is 130101223139. The reversal of 130101223123 is 321322101031.

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.

It is a cyclic number.

It is not a de Polignac number, because 130101223123 - 21 = 130101223121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130101223123.

It is not an unprimeable number, because it can be changed into a prime (130101223121) 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, 252838 + ... + 569323.

It is an arithmetic number, because the mean of its divisors is an integer number (32525550882).

Almost surely, 2130101223123 is an apocalyptic number.

130101223123 is a deficient number, since it is larger than the sum of its proper divisors (980405).

130101223123 is an equidigital number, since it uses as much as digits as its factorization.

130101223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980404.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130101223123 its reverse (321322101031), we get a palindrome (451423324154).

The spelling of 130101223123 in words is "one hundred thirty billion, one hundred one million, two hundred twenty-three thousand, one hundred twenty-three".

Divisors: 1 158243 822161 130101223123