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20682849800 = 2352167619247
BaseRepresentation
bin10011010000110010…
…110011111000001000
31222101102102122002002
4103100302303320020
5314324302143200
613300201130132
71331353215434
oct232062637010
958342378062
1020682849800
118853a251a8
124012789948
131c47cc0a82
141002c779c4
15810ba1bd5
hex4d0cb3e08

20682849800 has 48 divisors (see below), whose sum is σ = 48375653760. Its totient is φ = 8223586880.

The previous prime is 20682849799. The next prime is 20682849833. The reversal of 20682849800 is 894828602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276224 + ... + 343023.

It is an arithmetic number, because the mean of its divisors is an integer number (1007826120).

Almost surely, 220682849800 is an apocalyptic number.

20682849800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20682849800 is an abundant number, since it is smaller than the sum of its proper divisors (27692803960).

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

20682849800 is a wasteful number, since it uses less digits than its factorization.

20682849800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619430 (or 619421 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 20682849800 in words is "twenty billion, six hundred eighty-two million, eight hundred forty-nine thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 167 200 334 668 835 1336 1670 3340 4175 6680 8350 16700 33400 619247 1238494 2476988 3096235 4953976 6192470 12384940 15481175 24769880 30962350 61924700 103414249 123849400 206828498 413656996 517071245 827313992 1034142490 2068284980 2585356225 4136569960 5170712450 10341424900 20682849800