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11397888001 = 64279177319
BaseRepresentation
bin10101001110101110…
…11111100000000001
31002102100010200222001
422213113133200001
5141320324404001
65123000144001
7552310310113
oct124727374001
932370120861
1011397888001
1149198a0a55
122261168001
1310c84a9836
147a1a853b3
1546a987001
hex2a75df801

11397888001 has 4 divisors (see below), whose sum is σ = 11398129600. Its totient is φ = 11397646404.

The previous prime is 11397887929. The next prime is 11397888013. The reversal of 11397888001 is 10088879311.

11397888001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 10088879311 = 71441268473.

It is a cyclic number.

It is not a de Polignac number, because 11397888001 - 27 = 11397887873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11397888071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24381 + ... + 152938.

It is an arithmetic number, because the mean of its divisors is an integer number (2849532400).

Almost surely, 211397888001 is an apocalyptic number.

It is an amenable number.

11397888001 is a deficient number, since it is larger than the sum of its proper divisors (241599).

11397888001 is an equidigital number, since it uses as much as digits as its factorization.

11397888001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241598.

The product of its (nonzero) digits is 96768, while the sum is 46.

The spelling of 11397888001 in words is "eleven billion, three hundred ninety-seven million, eight hundred eighty-eight thousand, one".

Divisors: 1 64279 177319 11397888001