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2130611041 = 13163893157
BaseRepresentation
bin111111011111110…
…1000101101100001
312111111010020220001
41332333220231201
513330414023131
6551230220001
7103540615666
oct17677505541
95444106801
102130611041
119a3746679
124b5654601
1327c547cc0
14162d77a6d
15c70b2261
hex7efe8b61

2130611041 has 4 divisors (see below), whose sum is σ = 2294504212. Its totient is φ = 1966717872.

The previous prime is 2130611039. The next prime is 2130611089. The reversal of 2130611041 is 1401160312.

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 1449401041 + 681210000 = 38071^2 + 26100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130611041 - 21 = 2130611039 is a prime.

It is a super-2 number, since 2×21306110412 = 9079006816062207362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2130612041) 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, 81946566 + ... + 81946591.

It is an arithmetic number, because the mean of its divisors is an integer number (573626053).

Almost surely, 22130611041 is an apocalyptic number.

It is an amenable number.

2130611041 is a deficient number, since it is larger than the sum of its proper divisors (163893171).

2130611041 is a wasteful number, since it uses less digits than its factorization.

2130611041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163893170.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2130611041 is about 46158.5424488252. The cubic root of 2130611041 is about 1286.7713746553.

Adding to 2130611041 its reverse (1401160312), we get a palindrome (3531771353).

The spelling of 2130611041 in words is "two billion, one hundred thirty million, six hundred eleven thousand, forty-one".

Divisors: 1 13 163893157 2130611041