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2111225304 = 2332272771399
BaseRepresentation
bin111110111010110…
…1011110111011000
312110010122100122210
41331311223313120
513310433202204
6545254515120
7103214055546
oct17565536730
95403570583
102111225304
11993805901
124ab065aa0
1327851b356
1416056cd96
15c5533389
hex7dd6bdd8

2111225304 has 64 divisors (see below), whose sum is σ = 5324256000. Its totient is φ = 697613184.

The previous prime is 2111225243. The next prime is 2111225323. The reversal of 2111225304 is 4035221112.

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, 1508397 + ... + 1509795.

It is an arithmetic number, because the mean of its divisors is an integer number (83191500).

Almost surely, 22111225304 is an apocalyptic number.

2111225304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111225304 is an abundant number, since it is smaller than the sum of its proper divisors (3213030696).

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

2111225304 is a wasteful number, since it uses less digits than its factorization.

2111225304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2111225304 is about 45948.0718202625. The cubic root of 2111225304 is about 1282.8568400855.

Adding to 2111225304 its reverse (4035221112), we get a palindrome (6146446416).

The spelling of 2111225304 in words is "two billion, one hundred eleven million, two hundred twenty-five thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 227 277 454 554 681 831 908 1108 1362 1399 1662 1816 2216 2724 2798 3324 4197 5448 5596 6648 8394 11192 16788 33576 62879 125758 188637 251516 317573 377274 387523 503032 635146 754548 775046 952719 1162569 1270292 1509096 1550092 1905438 2325138 2540584 3100184 3810876 4650276 7621752 9300552 87967721 175935442 263903163 351870884 527806326 703741768 1055612652 2111225304