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20080924470 = 2325779328631
BaseRepresentation
bin10010101100111010…
…101001011100110110
31220211110210122202100
4102230322221130312
5312111204040340
613120335522530
71310424020205
oct225472513466
956743718670
1020080924470
118575181852
123a85089446
131b8039ca39
14d86d4d23c
157c7e03830
hex4acea9736

20080924470 has 48 divisors (see below), whose sum is σ = 52218927072. Its totient is φ = 5354039040.

The previous prime is 20080924469. The next prime is 20080924471. The reversal of 20080924470 is 7442908002.

20080924470 is a `hidden beast` number, since 20 + 0 + 80 + 92 + 4 + 470 = 666.

It is an interprime number because it is at equal distance from previous prime (20080924469) and next prime (20080924471).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080924471) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 687055 + ... + 715685.

It is an arithmetic number, because the mean of its divisors is an integer number (1087894314).

Almost surely, 220080924470 is an apocalyptic number.

20080924470 is an abundant number, since it is smaller than the sum of its proper divisors (32138002602).

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

20080924470 is a wasteful number, since it uses less digits than its factorization.

20080924470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36437 (or 36434 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20080924470 in words is "twenty billion, eighty million, nine hundred twenty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 7793 15586 23379 28631 38965 46758 57262 70137 77930 85893 116895 140274 143155 171786 233790 257679 286310 350685 429465 515358 701370 858930 1288395 2576790 223121383 446242766 669364149 1115606915 1338728298 2008092447 2231213830 3346820745 4016184894 6693641490 10040462235 20080924470