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30868396848023 = 731186629762211
BaseRepresentation
bin1110000010011000110111…
…10101000011001110010111
311001021222201122120101021012
413001030123311003032113
513021221434043114043
6145352425025242435
76334111435662350
oct701143365031627
9131258648511235
1030868396848023
119921239313029
12356660379341b
13142bb53665917
1478a077452d27
15387e57aa8a18
hex1c131bd43397

30868396848023 has 16 divisors (see below), whose sum is σ = 36416416143360. Its totient is φ = 25604951018400.

The previous prime is 30868396848001. The next prime is 30868396848031. The reversal of 30868396848023 is 32084869386803.

It is a cyclic number.

It is not a de Polignac number, because 30868396848023 - 220 = 30868395799447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30868393848023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40117388 + ... + 40879598.

It is an arithmetic number, because the mean of its divisors is an integer number (2276026008960).

Almost surely, 230868396848023 is an apocalyptic number.

30868396848023 is a deficient number, since it is larger than the sum of its proper divisors (5548019295337).

30868396848023 is a wasteful number, since it uses less digits than its factorization.

30868396848023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948878.

The product of its (nonzero) digits is 286654464, while the sum is 68.

The spelling of 30868396848023 in words is "thirty trillion, eight hundred sixty-eight billion, three hundred ninety-six million, eight hundred forty-eight thousand, twenty-three".

Divisors: 1 7 31 217 186629 762211 1306403 5335477 5785499 23628541 40498493 165399787 142250676719 995754737033 4409770978289 30868396848023