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30868499486803 = 1117214177100509
BaseRepresentation
bin1110000010011001000011…
…11100100101100001010011
311001021222222210200222012111
413001030201330211201103
513021222141332034203
6145352443133210151
76334114123254646
oct701144174454123
9131258883628174
1030868499486803
119921291247070
123566632030957
13142bb6b9c1524
1478a086d2da5d
15387e61ad026d
hex1c1321f25853

30868499486803 has 16 divisors (see below), whose sum is σ = 35672247162720. Its totient is φ = 26399213939200.

The previous prime is 30868499486789. The next prime is 30868499486893.

30868499486803 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 30868499486803 - 25 = 30868499486771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30868499486803.

It is not an unprimeable number, because it can be changed into a prime (30868499486893) 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, 38149888 + ... + 38950621.

It is an arithmetic number, because the mean of its divisors is an integer number (2229515447670).

Almost surely, 230868499486803 is an apocalyptic number.

30868499486803 is a deficient number, since it is larger than the sum of its proper divisors (4803747675917).

30868499486803 is a wasteful number, since it uses less digits than its factorization.

30868499486803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77102678.

The product of its (nonzero) digits is 1719926784, while the sum is 76.

The spelling of 30868499486803 in words is "thirty trillion, eight hundred sixty-eight billion, four hundred ninety-nine million, four hundred eighty-six thousand, eight hundred three".

Divisors: 1 11 17 187 2141 23551 36397 400367 77100509 848105599 1310708653 14417795183 165072189769 1815794087459 2806227226073 30868499486803