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20434170302 = 2713112275661
BaseRepresentation
bin10011000001111110…
…001011000110111110
31221202002111101221022
4103001332023012332
5313322121422202
613215355104142
71322243403350
oct230176130676
957662441838
1020434170302
118736613657
123b63442052
131c08621440
14dbbc230d0
157e8e2dea2
hex4c1f8b1be

20434170302 has 16 divisors (see below), whose sum is σ = 37724622432. Its totient is φ = 8083847520.

The previous prime is 20434170203. The next prime is 20434170311. The reversal of 20434170302 is 20307143402.

It is a super-2 number, since 2×204341703022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56137649 + ... + 56138012.

It is an arithmetic number, because the mean of its divisors is an integer number (2357788902).

Almost surely, 220434170302 is an apocalyptic number.

20434170302 is a deficient number, since it is larger than the sum of its proper divisors (17290452130).

20434170302 is a wasteful number, since it uses less digits than its factorization.

20434170302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112275683.

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 20434170302 in words is "twenty billion, four hundred thirty-four million, one hundred seventy thousand, three hundred two".

Divisors: 1 2 7 13 14 26 91 182 112275661 224551322 785929627 1459583593 1571859254 2919167186 10217085151 20434170302