Search a number
-
+
303011202020 = 22543859410173
BaseRepresentation
bin1000110100011001110…
…00000000001111100100
31001222010101000221100212
410122030320000033210
514431031331431040
6351111301354552
730614620502102
oct4321470001744
91058111027325
10303011202020
11107562a18a0a
124a885a08a58
132275c935b57
1410947022c72
157d36c16d65
hex468ce003e4

303011202020 has 48 divisors (see below), whose sum is σ = 651881334720. Its totient is φ = 118247665536.

The previous prime is 303011202007. The next prime is 303011202029. The reversal of 303011202020 is 20202110303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303011201986 and 303011202004.

It is not an unprimeable number, because it can be changed into a prime (303011202029) 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, 533654 + ... + 943826.

It is an arithmetic number, because the mean of its divisors is an integer number (13580861140).

Almost surely, 2303011202020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303011202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325940667360).

303011202020 is an abundant number, since it is smaller than the sum of its proper divisors (348870132700).

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

303011202020 is a wasteful number, since it uses less digits than its factorization.

303011202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411084 (or 411082 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 303011202020 its reverse (20202110303), we get a palindrome (323213312323).

It can be divided in two parts, 30301 and 1202020, that added together give a palindrome (1232321).

The spelling of 303011202020 in words is "three hundred three billion, eleven million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 859 860 1718 3436 4295 8590 17180 36937 73874 147748 184685 369370 410173 738740 820346 1640692 2050865 4101730 8203460 17637439 35274878 70549756 88187195 176374390 352338607 352748780 704677214 1409354428 1761693035 3523386070 7046772140 15150560101 30301120202 60602240404 75752800505 151505601010 303011202020