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30677012718 = 2311691672653
BaseRepresentation
bin11100100100011111…
…100001000011101110
32221011221012201020020
4130210133201003232
51000311303401333
622032014503010
72134130206602
oct344437410356
987157181206
1030677012718
1112012412780
125b41804a66
132b7b716441
1416b031b502
15be82aa3b3
hex7247e10ee

30677012718 has 32 divisors (see below), whose sum is σ = 67028625792. Its totient is φ = 9282597600.

The previous prime is 30677012683. The next prime is 30677012719. The reversal of 30677012718 is 81721077603.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30677012718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30677012719) 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, 290721 + ... + 381932.

It is an arithmetic number, because the mean of its divisors is an integer number (2094644556).

Almost surely, 230677012718 is an apocalyptic number.

30677012718 is an abundant number, since it is smaller than the sum of its proper divisors (36351613074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30677012718 is a wasteful number, since it uses less digits than its factorization.

30677012718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673360.

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 30677012718 in words is "thirty billion, six hundred seventy-seven million, twelve thousand, seven hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 691 1382 2073 4146 7601 15202 22803 45606 672653 1345306 2017959 4035918 7399183 14798366 22197549 44395098 464803223 929606446 1394409669 2788819338 5112835453 10225670906 15338506359 30677012718