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20102041424 = 247176923011
BaseRepresentation
bin10010101110001011…
…001100111101010000
31220212221112111202202
4102232023030331100
5312132110311144
613122412302332
71311101350523
oct225613147520
956787474682
1020102041424
118586095283
123a901719a8
131b8488468a
14d89a88bba
157c9bc564e
hex4ae2ccf50

20102041424 has 40 divisors (see below), whose sum is σ = 39549343680. Its totient is φ = 9896140800.

The previous prime is 20102041403. The next prime is 20102041451. The reversal of 20102041424 is 42414020102.

It is a junction number, because it is equal to n+sod(n) for n = 20102041396 and 20102041405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862079 + ... + 885089.

It is an arithmetic number, because the mean of its divisors is an integer number (988733592).

Almost surely, 220102041424 is an apocalyptic number.

It is an amenable number.

20102041424 is a deficient number, since it is larger than the sum of its proper divisors (19447302256).

20102041424 is a wasteful number, since it uses less digits than its factorization.

20102041424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859 (or 23853 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20102041424 its reverse (42414020102), we get a palindrome (62516061526).

The spelling of 20102041424 in words is "twenty billion, one hundred two million, forty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 71 142 284 568 769 1136 1538 3076 6152 12304 23011 46022 54599 92044 109198 184088 218396 368176 436792 873584 1633781 3267562 6535124 13070248 17695459 26140496 35390918 70781836 141563672 283127344 1256377589 2512755178 5025510356 10051020712 20102041424