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544221033420 = 223511380268589
BaseRepresentation
bin1111110101101100001…
…10011111001111001100
31221000201200212222001010
413322312012133033030
532404031041032140
61054002305245220
754214206313131
oct7726606371714
91830650788033
10544221033420
1119a891649409
1289582633810
133c42086193c
141c4aa240588
15e252ea1880
hex7eb619f3cc

544221033420 has 48 divisors (see below), whose sum is σ = 1537304035680. Its totient is φ = 143841309696.

The previous prime is 544221033407. The next prime is 544221033527. The reversal of 544221033420 is 24330122445.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 40127515 + ... + 40141074.

It is an arithmetic number, because the mean of its divisors is an integer number (32027167410).

Almost surely, 2544221033420 is an apocalyptic number.

It is an amenable number.

544221033420 is an abundant number, since it is smaller than the sum of its proper divisors (993083002260).

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

544221033420 is a wasteful number, since it uses less digits than its factorization.

544221033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80268714 (or 80268712 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 544221033420 its reverse (24330122445), we get a palindrome (568551155865).

The spelling of 544221033420 in words is "five hundred forty-four billion, two hundred twenty-one million, thirty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 678 1130 1356 1695 2260 3390 6780 80268589 160537178 240805767 321074356 401342945 481611534 802685890 963223068 1204028835 1605371780 2408057670 4816115340 9070350557 18140701114 27211051671 36281402228 45351752785 54422103342 90703505570 108844206684 136055258355 181407011140 272110516710 544221033420