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10561061061 = 32191012932087
BaseRepresentation
bin10011101010111110…
…10000000011000101
31000021000111111012200
421311133100003011
5133112112423221
64503544105113
7522466352325
oct116537200305
930230444180
1010561061061
11452a497541
122068a65199
13cc4001475
14722891285
1541c288426
hex2757d00c5

10561061061 has 48 divisors (see below), whose sum is σ = 16279885440. Its totient is φ = 6578409600.

The previous prime is 10561061033. The next prime is 10561061117. The reversal of 10561061061 is 16016016501.

It is not a de Polignac number, because 10561061061 - 25 = 10561061029 is a prime.

It is a super-2 number, since 2×105610610612 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561060061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5059360 + ... + 5061446.

It is an arithmetic number, because the mean of its divisors is an integer number (339164280).

Almost surely, 210561061061 is an apocalyptic number.

It is an amenable number.

10561061061 is a deficient number, since it is larger than the sum of its proper divisors (5718824379).

10561061061 is a wasteful number, since it uses less digits than its factorization.

10561061061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 10561061061 its reverse (16016016501), we get a palindrome (26577077562).

The spelling of 10561061061 in words is "ten billion, five hundred sixty-one million, sixty-one thousand, sixty-one".

Divisors: 1 3 9 19 57 101 171 293 303 879 909 1919 2087 2637 5567 5757 6261 16701 17271 18783 29593 39653 50103 88779 118959 210787 266337 356877 562267 611491 632361 1686801 1834473 1897083 4004953 5060403 5503419 11618329 12014859 34854987 36044577 61760591 104564961 185281773 555845319 1173451229 3520353687 10561061061