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41129042981 = 1328111258977
BaseRepresentation
bin100110010011011110…
…110110010000100101
310221011100112212022012
4212103132312100211
51133213013333411
630521110044005
72654134045205
oct462336662045
9127140485265
1041129042981
11164962aa814
127b7a049605
133b55c61730
141dc250a405
15110aba818b
hex9937b6425

41129042981 has 8 divisors (see below), whose sum is σ = 44450445144. Its totient is φ = 37830159360.

The previous prime is 41129042959. The next prime is 41129042989. The reversal of 41129042981 is 18924092114.

41129042981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 982509025 + 40146533956 = 31345^2 + 200366^2 .

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 41129042981 - 26 = 41129042917 is a prime.

It is a super-2 number, since 2×411290429812 (a number of 22 digits) 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 (41129042989) 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, 5625836 + ... + 5633141.

It is an arithmetic number, because the mean of its divisors is an integer number (5556305643).

Almost surely, 241129042981 is an apocalyptic number.

It is an amenable number.

41129042981 is a deficient number, since it is larger than the sum of its proper divisors (3321402163).

41129042981 is a wasteful number, since it uses less digits than its factorization.

41129042981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259271.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 41129042981 in words is "forty-one billion, one hundred twenty-nine million, forty-two thousand, nine hundred eighty-one".

Divisors: 1 13 281 3653 11258977 146366701 3163772537 41129042981