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2920104029385 = 32573388528241
BaseRepresentation
bin101010011111100011110…
…000110110110011001001
3101100011022001220102221100
4222133203300312303021
5340320333112420020
610113251031332013
7420653620466124
oct52374360666311
911304261812840
102920104029385
11a264556634a4
123b1b28b21009
1318249811c94a
14a1495cbb3bb
1550e5a473a90
hex2a7e3c36cc9

2920104029385 has 24 divisors (see below), whose sum is σ = 5068418910984. Its totient is φ = 1555264120320.

The previous prime is 2920104029251. The next prime is 2920104029393. The reversal of 2920104029385 is 5839204010292.

2920104029385 is a `hidden beast` number, since 2 + 9 + 201 + 0 + 40 + 29 + 385 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2069739718281 + 850364311104 = 1438659^2 + 922152^2 .

It is not a de Polignac number, because 2920104029385 - 216 = 2920103963849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2920104029385.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 44231136 + ... + 44297105.

It is an arithmetic number, because the mean of its divisors is an integer number (211184121291).

Almost surely, 22920104029385 is an apocalyptic number.

It is an amenable number.

2920104029385 is a deficient number, since it is larger than the sum of its proper divisors (2148314881599).

2920104029385 is a wasteful number, since it uses less digits than its factorization.

2920104029385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88528985 (or 88528982 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 2920104029385 in words is "two trillion, nine hundred twenty billion, one hundred four million, twenty-nine thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 733 2199 3665 6597 10995 32985 88528241 265584723 442641205 796754169 1327923615 3983770845 64891200653 194673601959 324456003265 584020805877 973368009795 2920104029385