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105136090689 = 3779127949549
BaseRepresentation
bin110000111101010011…
…0010110111001000001
3101001101010002210010210
41201322212112321001
53210304314400224
6120144315144333
710411241011560
oct1417246267101
9331333083123
10105136090689
1140651645053
1218461a450a9
139bb690a166
145135229bd7
152b050c4429
hex187a996e41

105136090689 has 32 divisors (see below), whose sum is σ = 162365440000. Its totient is φ = 59269713984.

The previous prime is 105136090603. The next prime is 105136090757. The reversal of 105136090689 is 986090631501.

It is not a de Polignac number, because 105136090689 - 27 = 105136090561 is a prime.

It is a super-2 number, since 2×1051360906892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105136090889) 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, 2097087 + ... + 2146635.

It is an arithmetic number, because the mean of its divisors is an integer number (5073920000).

Almost surely, 2105136090689 is an apocalyptic number.

It is an amenable number.

105136090689 is a deficient number, since it is larger than the sum of its proper divisors (57229349311).

105136090689 is a wasteful number, since it uses less digits than its factorization.

105136090689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50917.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 105136090689 in words is "one hundred five billion, one hundred thirty-six million, ninety thousand, six hundred eighty-nine".

Divisors: 1 3 7 21 79 237 553 1279 1659 3837 8953 26859 49549 101041 148647 303123 346843 707287 1040529 2121861 3914371 11743113 27400597 63373171 82201791 190119513 443612197 1330836591 5006480509 15019441527 35045363563 105136090689