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2221001041420 = 225754312921063
BaseRepresentation
bin100000010100011101111…
…110100110011000001100
321212022210101021222101101
4200110131332212120030
5242342102231311140
64420151440152444
7316314322235050
oct40243576463014
97768711258341
102221001041420
11786a15206267
122ba540908724
13131593771375
14796d5b95c60
153cb9000799a
hex2051dfa660c

2221001041420 has 48 divisors (see below), whose sum is σ = 5331385801728. Its totient is φ = 761345599680.

The previous prime is 2221001041397. The next prime is 2221001041487. The reversal of 2221001041420 is 241401001222.

It is a super-3 number, since 3×22210010414203 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700192 + ... + 2220871.

It is an arithmetic number, because the mean of its divisors is an integer number (111070537536).

Almost surely, 22221001041420 is an apocalyptic number.

2221001041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221001041420 is an abundant number, since it is smaller than the sum of its proper divisors (3110384760308).

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

2221001041420 is a wasteful number, since it uses less digits than its factorization.

2221001041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926510 (or 2926508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221001041420 its reverse (241401001222), we get a palindrome (2462402042642).

The spelling of 2221001041420 in words is "two trillion, two hundred twenty-one billion, one million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 5431 10862 21724 27155 38017 54310 76034 108620 152068 190085 380170 760340 2921063 5842126 11684252 14605315 20447441 29210630 40894882 58421260 81789764 102237205 204474410 408948820 15864293153 31728586306 63457172612 79321465765 111050052071 158642931530 222100104142 317285863060 444200208284 555250260355 1110500520710 2221001041420