Search a number
-
+
2105928560 = 245233112979
BaseRepresentation
bin111110110000101…
…1110101101110000
312102202200020220002
41331201132231300
513303104203220
6544545205132
7103121045261
oct17541365560
95382606802
102105928560
1199081832a
124a93307a8
132773b5498
1415d990968
15c4d38c75
hex7d85eb70

2105928560 has 40 divisors (see below), whose sum is σ = 4917341520. Its totient is φ = 838748672.

The previous prime is 2105928557. The next prime is 2105928581. The reversal of 2105928560 is 658295012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37850 + ... + 75129.

It is an arithmetic number, because the mean of its divisors is an integer number (122933538).

Almost surely, 22105928560 is an apocalyptic number.

2105928560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105928560 is an abundant number, since it is smaller than the sum of its proper divisors (2811412960).

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

2105928560 is a wasteful number, since it uses less digits than its factorization.

2105928560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113225 (or 113219 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2105928560 is about 45890.3972525843. The cubic root of 2105928560 is about 1281.7831105783.

The spelling of 2105928560 in words is "two billion, one hundred five million, nine hundred twenty-eight thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 233 466 932 1165 1864 2330 3728 4660 9320 18640 112979 225958 451916 564895 903832 1129790 1807664 2259580 4519160 9038320 26324107 52648214 105296428 131620535 210592856 263241070 421185712 526482140 1052964280 2105928560