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1102623001 = 2319747533
BaseRepresentation
bin100000110111000…
…1011000100011001
32211211210001101221
41001232023010121
54224232414001
6301225012041
736216066214
oct10156130431
92754701357
101102623001
11516446a87
12269324021
1314758b85c
14a662277b
1566c031a1
hex41b8b119

1102623001 has 4 divisors (see below), whose sum is σ = 1102693732. Its totient is φ = 1102552272.

The previous prime is 1102622999. The next prime is 1102623019. The reversal of 1102623001 is 1003262011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1003262011 = 2394197749.

It can be written as a sum of positive squares in 2 ways, for example, as 602653401 + 499969600 = 24549^2 + 22360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102623001 - 21 = 1102622999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102623061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570 + ... + 46963.

It is an arithmetic number, because the mean of its divisors is an integer number (275673433).

Almost surely, 21102623001 is an apocalyptic number.

It is an amenable number.

1102623001 is a deficient number, since it is larger than the sum of its proper divisors (70731).

1102623001 is an equidigital number, since it uses as much as digits as its factorization.

1102623001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70730.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1102623001 is about 33205.7675863697. The cubic root of 1102623001 is about 1033.0999707388.

Adding to 1102623001 its reverse (1003262011), we get a palindrome (2105885012).

The spelling of 1102623001 in words is "one billion, one hundred two million, six hundred twenty-three thousand, one".

Divisors: 1 23197 47533 1102623001