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1013800001 = 2987333937
BaseRepresentation
bin111100011011010…
…101110001000001
32121122122101011012
4330123111301001
54034013100001
6244333130305
734060105064
oct7433256101
92548571135
101013800001
11480299a45
12243629995
1313205c576
14989008db
155e00a2bb
hex3c6d5c41

1013800001 has 4 divisors (see below), whose sum is σ = 1013863812. Its totient is φ = 1013736192.

The previous prime is 1013799971. The next prime is 1013800013. The reversal of 1013800001 is 1000083101.

1013800001 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 991935025 + 21864976 = 31495^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013800001 - 218 = 1013537857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013800031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12905 + ... + 46841.

It is an arithmetic number, because the mean of its divisors is an integer number (253465953).

Almost surely, 21013800001 is an apocalyptic number.

It is an amenable number.

1013800001 is a deficient number, since it is larger than the sum of its proper divisors (63811).

1013800001 is an equidigital number, since it uses as much as digits as its factorization.

1013800001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63810.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1013800001 is about 31840.2261455537. The cubic root of 1013800001 is about 1004.5790010794.

Adding to 1013800001 its reverse (1000083101), we get a palindrome (2013883102).

The spelling of 1013800001 in words is "one billion, thirteen million, eight hundred thousand, one".

Divisors: 1 29873 33937 1013800001