Search a number
-
+
304220001020 = 225133137744417
BaseRepresentation
bin1000110110101001110…
…11001101001011111100
31002002020121121021212012
410123110323031023330
514441020310013040
6351431242230352
730656566225325
oct4332473151374
91062217537765
10304220001020
11108023294551
124ab627b53b8
13228c31bb330
1410a1d7a344c
157da7dde865
hex46d4ecd2fc

304220001020 has 48 divisors (see below), whose sum is σ = 710198969088. Its totient is φ = 108703918080.

The previous prime is 304220001017. The next prime is 304220001061. The reversal of 304220001020 is 20100022403.

It is a junction number, because it is equal to n+sod(n) for n = 304220000986 and 304220001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18864149 + ... + 18880268.

It is an arithmetic number, because the mean of its divisors is an integer number (14795811856).

Almost surely, 2304220001020 is an apocalyptic number.

It is an amenable number.

304220001020 is an abundant number, since it is smaller than the sum of its proper divisors (405978968068).

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

304220001020 is a wasteful number, since it uses less digits than its factorization.

304220001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37744470 (or 37744468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 304220001020 its reverse (20100022403), we get a palindrome (324320023423).

The spelling of 304220001020 in words is "three hundred four billion, two hundred twenty million, one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1612 2015 4030 8060 37744417 75488834 150977668 188722085 377444170 490677421 754888340 981354842 1170076927 1962709684 2340153854 2453387105 4680307708 4906774210 5850384635 9813548420 11700769270 15211000051 23401538540 30422000102 60844000204 76055000255 152110000510 304220001020