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13011013001 = 71877990259
BaseRepresentation
bin11000001111000010…
…00100110110001001
31020120202111221110102
430013201010312021
5203121304404001
65551023055145
7640265533340
oct140741046611
936522457412
1013011013001
115577417708
1226314414b5
1312c475967c
148b5dd4b57
155123c9e6b
hex307844d89

13011013001 has 8 divisors (see below), whose sum is σ = 14877666240. Its totient is φ = 11146344048.

The previous prime is 13011012997. The next prime is 13011013033. The reversal of 13011013001 is 10031011031.

It is a happy number.

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

It is not a de Polignac number, because 13011013001 - 22 = 13011012997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011013091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481991 + ... + 508268.

It is an arithmetic number, because the mean of its divisors is an integer number (1859708280).

Almost surely, 213011013001 is an apocalyptic number.

It is an amenable number.

13011013001 is a deficient number, since it is larger than the sum of its proper divisors (1866653239).

13011013001 is an equidigital number, since it uses as much as digits as its factorization.

13011013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992143.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 13011013001 its reverse (10031011031), we get a palindrome (23042024032).

The spelling of 13011013001 in words is "thirteen billion, eleven million, thirteen thousand, one".

Divisors: 1 7 1877 13139 990259 6931813 1858716143 13011013001