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12804106001 = 43297769907
BaseRepresentation
bin10111110110010111…
…10010011100010001
31020001100011222102012
423323023302130101
5202210322343001
65514312232305
7632204051051
oct137313623421
936040158365
1012804106001
115480647395
12259409b695
1312909245ab
14896735561
154ee1592bb
hex2fb2f2711

12804106001 has 4 divisors (see below), whose sum is σ = 13101875952. Its totient is φ = 12506336052.

The previous prime is 12804105961. The next prime is 12804106009. The reversal of 12804106001 is 10060140821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10060140821 = 23437397427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12804106001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12804106009) 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 3 ways as a sum of consecutive naturals, for example, 148884911 + ... + 148884996.

It is an arithmetic number, because the mean of its divisors is an integer number (3275468988).

Almost surely, 212804106001 is an apocalyptic number.

It is an amenable number.

12804106001 is a deficient number, since it is larger than the sum of its proper divisors (297769951).

12804106001 is an equidigital number, since it uses as much as digits as its factorization.

12804106001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297769950.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12804106001 its reverse (10060140821), we get a palindrome (22864246822).

The spelling of 12804106001 in words is "twelve billion, eight hundred four million, one hundred six thousand, one".

Divisors: 1 43 297769907 12804106001