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2195361061 = 19671724557
BaseRepresentation
bin1000001011011010…
…1000110100100101
312122222221220012221
42002312220310211
513444003023221
61001502112341
7105255155365
oct20266506445
95588856187
102195361061
11a27251293
1251327b6b1
1328ca9901a
1416b7d09a5
15ccb02541
hex82da8d25

2195361061 has 8 divisors (see below), whose sum is σ = 2345398880. Its totient is φ = 2048772528.

The previous prime is 2195361053. The next prime is 2195361101. The reversal of 2195361061 is 1601635912.

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

It is a cyclic number.

It is not a de Polignac number, because 2195361061 - 23 = 2195361053 is a prime.

It is a super-2 number, since 2×21953610612 = 9639220376310091442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195361041) 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, 861006 + ... + 863551.

It is an arithmetic number, because the mean of its divisors is an integer number (293174860).

Almost surely, 22195361061 is an apocalyptic number.

It is an amenable number.

2195361061 is a deficient number, since it is larger than the sum of its proper divisors (150037819).

2195361061 is a wasteful number, since it uses less digits than its factorization.

2195361061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724643.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2195361061 is about 46854.6802464812. The cubic root of 2195361061 is about 1299.6766574531.

Adding to 2195361061 its reverse (1601635912), we get a palindrome (3796996973).

The spelling of 2195361061 in words is "two billion, one hundred ninety-five million, three hundred sixty-one thousand, sixty-one".

Divisors: 1 19 67 1273 1724557 32766583 115545319 2195361061