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2830503325280 = 255311234746219
BaseRepresentation
bin101001001100000111001…
…001010010111001100000
3101000121000122101001210212
4221030013021102321200
5332333332322402110
610004152033313252
7411332340202421
oct51140711227140
911017018331725
102830503325280
119a1456377314
123986a1a05828
13176bb8c53637
149add603d648
154d9641bbe05
hex29307252e60

2830503325280 has 96 divisors (see below), whose sum is σ = 6903484277760. Its totient is φ = 1095566261760.

The previous prime is 2830503325267. The next prime is 2830503325283. The reversal of 2830503325280 is 825233050382.

It is a super-2 number, since 2×28305033252802 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830503325283) by changing a digit.

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, 61218011 + ... + 61264229.

It is an arithmetic number, because the mean of its divisors is an integer number (71911294560).

Almost surely, 22830503325280 is an apocalyptic number.

2830503325280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830503325280 is an abundant number, since it is smaller than the sum of its proper divisors (4072980952480).

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

2830503325280 is a wasteful number, since it uses less digits than its factorization.

2830503325280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58612 (or 58604 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2830503325280 in words is "two trillion, eight hundred thirty billion, five hundred three million, three hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 12347 24694 46219 49388 61735 92438 98776 123470 184876 197552 231095 246940 369752 382757 395104 462190 493880 739504 765514 924380 987760 1432789 1479008 1531028 1848760 1913785 1975520 2865578 3062056 3697520 3827570 5731156 6124112 7163945 7395040 7655140 11462312 12248224 14327890 15310280 22924624 28655780 30620560 45849248 57311560 61241120 114623120 229246240 570665993 1141331986 2282663972 2853329965 4565327944 5706659930 9130655888 11413319860 17690645783 18261311776 22826639720 35381291566 45653279440 70762583132 88453228915 91306558880 141525166264 176906457830 283050332528 353812915660 566100665056 707625831320 1415251662640 2830503325280