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1301233032220 = 2251133117869171
BaseRepresentation
bin10010111011110111100…
…010000101110000011100
311121101201011111222110011
4102323313202011300130
5132304411124012340
62433440031453004
7163003524164452
oct22736742056034
94541634458404
101301233032220
1146193913a590
12190230387164
13959236b5ac4
1446da12369d2
1523cac2d80ea
hex12ef7885c1c

1301233032220 has 48 divisors (see below), whose sum is σ = 2990012812416. Its totient is φ = 471746088000.

The previous prime is 1301233032217. The next prime is 1301233032283. The reversal of 1301233032220 is 222303321031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1301233032191 and 1301233032200.

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, 8861766 + ... + 9007405.

It is an arithmetic number, because the mean of its divisors is an integer number (62291933592).

Almost surely, 21301233032220 is an apocalyptic number.

1301233032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301233032220 is an abundant number, since it is smaller than the sum of its proper divisors (1688779780196).

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

1301233032220 is a wasteful number, since it uses less digits than its factorization.

1301233032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17869522 (or 17869520 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1301233032220 its reverse (222303321031), we get a palindrome (1523536353251).

The spelling of 1301233032220 in words is "one trillion, three hundred one billion, two hundred thirty-three million, thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 331 662 1324 1655 3310 3641 6620 7282 14564 18205 36410 72820 17869171 35738342 71476684 89345855 178691710 196560881 357383420 393121762 786243524 982804405 1965608810 3931217620 5914695601 11829391202 23658782404 29573478005 59146956010 65061651611 118293912020 130123303222 260246606444 325308258055 650616516110 1301233032220