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2221130301220 = 2251471244730853
BaseRepresentation
bin100000010100100101101…
…011101011111100100100
321212100010101112001111101
4200110211223223330210
5242342333324114340
64420212334445444
7316320452023555
oct40244553537444
97770111461441
102221130301220
11786a81172046
122ba578063884
131315b448ac5c
147970900232c
153cb9b53bc9a
hex20525aebf24

2221130301220 has 48 divisors (see below), whose sum is σ = 4669603319808. Its totient is φ = 887456545920.

The previous prime is 2221130301191. The next prime is 2221130301233. The reversal of 2221130301220 is 221030311222.

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, 71975314 + ... + 72006166.

It is an arithmetic number, because the mean of its divisors is an integer number (97283402496).

Almost surely, 22221130301220 is an apocalyptic number.

2221130301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221130301220 is an abundant number, since it is smaller than the sum of its proper divisors (2448473018588).

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

2221130301220 is a wasteful number, since it uses less digits than its factorization.

2221130301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34780 (or 34778 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2221130301220 its reverse (221030311222), we get a palindrome (2442160612442).

The spelling of 2221130301220 in words is "two trillion, two hundred twenty-one billion, one hundred thirty million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1471 2447 2942 4894 5884 7355 9788 12235 14710 24470 29420 30853 48940 61706 123412 154265 308530 617060 3599537 7199074 14398148 17997685 35995370 45384763 71990740 75497291 90769526 150994582 181539052 226923815 301989164 377486455 453847630 754972910 907695260 1509945820 111056515061 222113030122 444226060244 555282575305 1110565150610 2221130301220