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3030300780 = 2235133885001
BaseRepresentation
bin1011010010011110…
…1011100001101100
321211012001020012020
42310213223201230
522201224111110
61220405510140
7135044063103
oct26447534154
97735036166
103030300780
111315586911
12706a12350
13393a633b0
1420a65303a
1512b07bd70
hexb49eb86c

3030300780 has 48 divisors (see below), whose sum is σ = 9137524704. Its totient is φ = 745920000.

The previous prime is 3030300769. The next prime is 3030300817. The reversal of 3030300780 is 870030303.

It is a self number, because there is not a number n which added to its sum of digits gives 3030300780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941721 + ... + 1943280.

It is an arithmetic number, because the mean of its divisors is an integer number (190365098).

Almost surely, 23030300780 is an apocalyptic number.

3030300780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3030300780 is an abundant number, since it is smaller than the sum of its proper divisors (6107223924).

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

3030300780 is a wasteful number, since it uses less digits than its factorization.

3030300780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885026 (or 3885024 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3030300780 is about 55048.1678169219. The cubic root of 3030300780 is about 1447.0890120358.

It can be divided in two parts, 3030 and 300780, that added together give a triangular number (303810 = T779).

The spelling of 3030300780 in words is "three billion, thirty million, three hundred thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3885001 7770002 11655003 15540004 19425005 23310006 38850010 46620012 50505013 58275015 77700020 101010026 116550030 151515039 202020052 233100060 252525065 303030078 505050130 606060156 757575195 1010100260 1515150390 3030300780