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2044111220 = 2256110316267
BaseRepresentation
bin111100111010110…
…1010100101110100
312021110100121102222
41321311222211310
513141243024340
6534500221512
7101440441634
oct17165524564
95243317388
102044111220
11959936018
1249069a898
13267650288
1415569c6c4
15be6c78b5
hex79d6a974

2044111220 has 48 divisors (see below), whose sum is σ = 4405634688. Its totient is φ = 796383360.

The previous prime is 2044111217. The next prime is 2044111247. The reversal of 2044111220 is 221114402.

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, 117527 + ... + 133793.

It is an arithmetic number, because the mean of its divisors is an integer number (91784056).

Almost surely, 22044111220 is an apocalyptic number.

2044111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044111220 is an abundant number, since it is smaller than the sum of its proper divisors (2361523468).

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

2044111220 is a wasteful number, since it uses less digits than its factorization.

2044111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440 (or 16438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2044111220 is about 45211.8482258799. The cubic root of 2044111220 is about 1269.1165492883.

Adding to 2044111220 its reverse (221114402), we get a palindrome (2265225622).

The spelling of 2044111220 in words is "two billion, forty-four million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 103 122 206 244 305 412 515 610 1030 1220 2060 6283 12566 16267 25132 31415 32534 62830 65068 81335 125660 162670 325340 992287 1675501 1984574 3351002 3969148 4961435 6702004 8377505 9922870 16755010 19845740 33510020 102205561 204411122 408822244 511027805 1022055610 2044111220