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11451613061 = 73292394817
BaseRepresentation
bin10101010101001000…
…11011111110000101
31002120002020012220002
422222210123332011
5141423103104221
65132155451045
7553532051000
oct125244337605
932502205802
1011451613061
114947156429
122277156a85
13110666a605
147a8c6c537
1547054a80b
hex2aa91bf85

11451613061 has 32 divisors (see below), whose sum is σ = 13875840000. Its totient is φ = 9435584256.

The previous prime is 11451613051. The next prime is 11451613087. The reversal of 11451613061 is 16031615411.

It is not a de Polignac number, because 11451613061 - 214 = 11451596677 is a prime.

It is a super-2 number, since 2×114516130612 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451613031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2374925 + ... + 2379741.

It is an arithmetic number, because the mean of its divisors is an integer number (433620000).

Almost surely, 211451613061 is an apocalyptic number.

It is an amenable number.

11451613061 is a deficient number, since it is larger than the sum of its proper divisors (2424226939).

11451613061 is an equidigital number, since it uses as much as digits as its factorization.

11451613061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5092 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 11451613061 in words is "eleven billion, four hundred fifty-one million, six hundred thirteen thousand, sixty-one".

Divisors: 1 7 29 49 203 239 343 1421 1673 4817 6931 9947 11711 33719 48517 81977 139693 236033 339619 977851 1151263 1652231 2377333 6844957 8058841 33386627 47914699 56411887 233706389 394883209 1635944723 11451613061