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30101863956481 = 17109146691107433
BaseRepresentation
bin1101101100000101000101…
…11010001000000000000001
310221120201011122200220100001
412312002202322020000001
512421142104133101411
6144004334433200001
76224534151625162
oct666024272100001
9127521148626301
1030101863956481
1196561464a4259
123461b39400001
1313a4794172805
14760d1bbb1769
153730429a1dc1
hex1b60a2e88001

30101863956481 has 16 divisors (see below), whose sum is σ = 32167192424400. Its totient is φ = 28069308131328.

The previous prime is 30101863956431. The next prime is 30101863956499. The reversal of 30101863956481 is 18465936810103.

It can be written as a sum of positive squares in 8 ways, for example, as 12183701946256 + 17918162010225 = 3490516^2 + 4232985^2 .

It is a cyclic number.

It is not a de Polignac number, because 30101863956481 - 239 = 29552108142593 is a prime.

It is a super-2 number, since 2×301018639564812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30101863956401) 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, 26627941 + ... + 27735373.

It is an arithmetic number, because the mean of its divisors is an integer number (2010449526525).

Almost surely, 230101863956481 is an apocalyptic number.

It is an amenable number.

30101863956481 is a deficient number, since it is larger than the sum of its proper divisors (2065328467919).

30101863956481 is a wasteful number, since it uses less digits than its factorization.

30101863956481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122228.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 30101863956481 in words is "thirty trillion, one hundred one billion, eight hundred sixty-three million, nine hundred fifty-six thousand, four hundred eighty-one".

Divisors: 1 17 109 1853 14669 249373 1107433 1598921 18826361 27181657 120710197 2052073349 16244934677 276163889509 1770697879793 30101863956481