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30105960941 = 7157106125819
BaseRepresentation
bin11100000010011101…
…001000000111101101
32212201010200021110102
4130002131020013231
5443124111222231
621455215120445
72114024305610
oct340235100755
985633607412
1030105960941
111184a037061
125a02513125
132aba314b94
14165854c177
15bb30a9acb
hex7027481ed

30105960941 has 16 divisors (see below), whose sum is σ = 34659941760. Its totient is φ = 25615586880.

The previous prime is 30105960919. The next prime is 30105961003. The reversal of 30105960941 is 14906950103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30105960941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30105960895 and 30105960904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105960901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153130 + ... + 1178948.

It is an arithmetic number, because the mean of its divisors is an integer number (2166246360).

Almost surely, 230105960941 is an apocalyptic number.

It is an amenable number.

30105960941 is a deficient number, since it is larger than the sum of its proper divisors (4553980819).

30105960941 is a wasteful number, since it uses less digits than its factorization.

30105960941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27044.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 30105960941 in words is "thirty billion, one hundred five million, nine hundred sixty thousand, nine hundred forty-one".

Divisors: 1 7 157 1061 1099 7427 25819 166577 180733 1166039 4053583 27393959 28375081 191757713 4300851563 30105960941