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2220165371424 = 253721131327277
BaseRepresentation
bin100000010011101100001…
…010110001011000100000
321212020122010211112122210
4200103230022301120200
5242333344313341144
64415532505002120
7316254524166300
oct40235412613040
97766563745583
102220165371424
11786626522000
122ba348a83340
1313148c5ac790
1479656bc3600
153cb41986ab9
hex204ec2b1620

2220165371424 has 576 divisors, whose sum is σ = 8030767151232. Its totient is φ = 532287866880.

The previous prime is 2220165371401. The next prime is 2220165371441. The reversal of 2220165371424 is 4241735610222.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81379674 + ... + 81406950.

It is an arithmetic number, because the mean of its divisors is an integer number (13942304082).

Almost surely, 22220165371424 is an apocalyptic number.

2220165371424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220165371424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4015383575616).

2220165371424 is an abundant number, since it is smaller than the sum of its proper divisors (5810601779808).

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

2220165371424 is a wasteful number, since it uses less digits than its factorization.

2220165371424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27350 (or 27313 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 2220165371424 in words is "two trillion, two hundred twenty billion, one hundred sixty-five million, three hundred seventy-one thousand, four hundred twenty-four".