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1130231212001 = 2938973490069
BaseRepresentation
bin10000011100100111000…
…001111010011111100001
311000001022202102110100022
4100130213001322133201
5122004203142241001
62223115425203225
7144441116534603
oct20344701723741
94001282373308
101130231212001
113a6368066021
12163068190515
13827710351b8
143c9bc4db173
151e5eea4c11b
hex1072707a7e1

1130231212001 has 4 divisors (see below), whose sum is σ = 1169204702100. Its totient is φ = 1091257721904.

The previous prime is 1130231211953. The next prime is 1130231212003. The reversal of 1130231212001 is 1002121320311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 495538563025 + 634692648976 = 703945^2 + 796676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130231212001 - 26 = 1130231211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130231212003) 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, 19486745006 + ... + 19486745063.

It is an arithmetic number, because the mean of its divisors is an integer number (292301175525).

Almost surely, 21130231212001 is an apocalyptic number.

It is an amenable number.

1130231212001 is a deficient number, since it is larger than the sum of its proper divisors (38973490099).

1130231212001 is an equidigital number, since it uses as much as digits as its factorization.

1130231212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38973490098.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1130231212001 its reverse (1002121320311), we get a palindrome (2132352532312).

The spelling of 1130231212001 in words is "one trillion, one hundred thirty billion, two hundred thirty-one million, two hundred twelve thousand, one".

Divisors: 1 29 38973490069 1130231212001