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2042500641420 = 223581474178431
BaseRepresentation
bin11101101110001110100…
…001100111001010001100
321020021001101022010121110
4131232032201213022030
5231431020131011140
64202151205132020
7300365032665441
oct35561641471214
97207041263543
102042500641420
11718246400828
1228ba253ba010
1311a7b770bcc5
1470c011d79c8
15381e42ba380
hex1db8e86728c

2042500641420 has 48 divisors (see below), whose sum is σ = 5719705141248. Its totient is φ = 544599852480.

The previous prime is 2042500641361. The next prime is 2042500641427. The reversal of 2042500641420 is 241460052402.

It is a super-2 number, since 2×20425006414202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2042500641427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600396 + ... + 2578035.

It is an arithmetic number, because the mean of its divisors is an integer number (119160523776).

Almost surely, 22042500641420 is an apocalyptic number.

2042500641420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042500641420 is an abundant number, since it is smaller than the sum of its proper divisors (3677204499828).

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

2042500641420 is a wasteful number, since it uses less digits than its factorization.

2042500641420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186590 (or 4186588 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2042500641420 its reverse (241460052402), we get a palindrome (2283960693822).

The spelling of 2042500641420 in words is "two trillion, forty-two billion, five hundred million, six hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 8147 16294 24441 32588 40735 48882 81470 97764 122205 162940 244410 488820 4178431 8356862 12535293 16713724 20892155 25070586 41784310 50141172 62676465 83568620 125352930 250705860 34041677357 68083354714 102125032071 136166709428 170208386785 204250064142 340416773570 408500128284 510625160355 680833547140 1021250320710 2042500641420