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13001232302123 = 131516623144321
BaseRepresentation
bin1011110100110001010111…
…0101010100000000101011
31201000220110020021221222212
42331030111311110000223
53201003010432131443
643352403401035335
72511210441114062
oct275142565240053
951026406257885
1013001232302123
1141628787695aa
12155b886485b4b
1373401b07c680
1432d3979631d9
151782d2953618
hexbd315d5402b

13001232302123 has 8 divisors (see below), whose sum is σ = 14094051117216. Its totient is φ = 11921659776000.

The previous prime is 13001232302089. The next prime is 13001232302147. The reversal of 13001232302123 is 32120323210031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13001232302123 - 218 = 13001232039979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001232302323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3311570198 + ... + 3311574123.

It is an arithmetic number, because the mean of its divisors is an integer number (1761756389652).

Almost surely, 213001232302123 is an apocalyptic number.

13001232302123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13001232302123 is a deficient number, since it is larger than the sum of its proper divisors (1092818815093).

13001232302123 is a wasteful number, since it uses less digits than its factorization.

13001232302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623144485.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13001232302123 its reverse (32120323210031), we get a palindrome (45121555512154).

The spelling of 13001232302123 in words is "thirteen trillion, one billion, two hundred thirty-two million, three hundred two thousand, one hundred twenty-three".

Divisors: 1 13 151 1963 6623144321 86100876173 1000094792471 13001232302123