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808030550000 = 245516160611
BaseRepresentation
bin10111100001000100101…
…11111011011111110000
32212020200001000221121102
423300202113323133300
5101214321310100000
61415112030543532
7112243515231152
oct13604227733760
92766601027542
10808030550000
112917581a8883
12110727967ba8
135b273927bcb
142b174b02ad2
15160433243d5
hexbc225fb7f0

808030550000 has 60 divisors (see below), whose sum is σ = 1956823864632. Its totient is φ = 323212200000.

The previous prime is 808030549883. The next prime is 808030550011. The reversal of 808030550000 is 55030808.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8030306 + ... + 8130305.

Almost surely, 2808030550000 is an apocalyptic number.

808030550000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

808030550000 is an abundant number, since it is smaller than the sum of its proper divisors (1148793314632).

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

808030550000 is an equidigital number, since it uses as much as digits as its factorization.

808030550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160644 (or 16160618 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 808030550000 its reverse (55030808), we get a palindrome (808085580808).

The spelling of 808030550000 in words is "eight hundred eight billion, thirty million, five hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 25000 50000 16160611 32321222 64642444 80803055 129284888 161606110 258569776 323212220 404015275 646424440 808030550 1292848880 1616061100 2020076375 3232122200 4040152750 6464244400 8080305500 10100381875 16160611000 20200763750 32321222000 40401527500 50501909375 80803055000 101003818750 161606110000 202007637500 404015275000 808030550000