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13004230123 = 373271107449
BaseRepresentation
bin11000001110001110…
…01100110111101011
31020120021202100002201
430013013030313223
5203113040330443
65550221441031
7640154063233
oct140707146753
936507670081
1013004230123
115573604625
12262b110177
1312c3223231
148b514acc3
155119da34d
hex3071ccdeb

13004230123 has 8 divisors (see below), whose sum is σ = 13359903200. Its totient is φ = 12648778560.

The previous prime is 13004230091. The next prime is 13004230133. The reversal of 13004230123 is 32103240031.

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

It is not a de Polignac number, because 13004230123 - 25 = 13004230091 is a prime.

It is a super-2 number, since 2×130042301232 (a number of 21 digits) contains 22 as substring.

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 13004230123.

It is not an unprimeable number, because it can be changed into a prime (13004230133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67303 + ... + 174751.

It is an arithmetic number, because the mean of its divisors is an integer number (1669987900).

Almost surely, 213004230123 is an apocalyptic number.

13004230123 is a deficient number, since it is larger than the sum of its proper divisors (355673077).

13004230123 is a wasteful number, since it uses less digits than its factorization.

13004230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110757.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13004230123 its reverse (32103240031), we get a palindrome (45107470154).

The spelling of 13004230123 in words is "thirteen billion, four million, two hundred thirty thousand, one hundred twenty-three".

Divisors: 1 37 3271 107449 121027 3975613 351465679 13004230123