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1242023413130 = 25124202341313
BaseRepresentation
bin10010000100101110010…
…111010100010110001010
311101201212202011200110222
4102010232113110112022
5130322130443210010
62350324440110042
7155506332551333
oct22045627242612
94351782150428
101242023413130
11439814923395
12180867165322
1390178921436
144418572728a
152249415c355
hex1212e5d458a

1242023413130 has 8 divisors (see below), whose sum is σ = 2235642143652. Its totient is φ = 496809365248.

The previous prime is 1242023413129. The next prime is 1242023413133. The reversal of 1242023413130 is 313143202421.

It can be written as a sum of positive squares in 2 ways, for example, as 1195858163809 + 46165249321 = 1093553^2 + 214861^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1242023413130.

It is not an unprimeable number, because it can be changed into a prime (1242023413133) 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, 62101170647 + ... + 62101170666.

Almost surely, 21242023413130 is an apocalyptic number.

1242023413130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242023413130 is a deficient number, since it is larger than the sum of its proper divisors (993618730522).

1242023413130 is a wasteful number, since it uses less digits than its factorization.

1242023413130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124202341320.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1242023413130 its reverse (313143202421), we get a palindrome (1555166615551).

The spelling of 1242023413130 in words is "one trillion, two hundred forty-two billion, twenty-three million, four hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 124202341313 248404682626 621011706565 1242023413130