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2125235220 = 2235308311489
BaseRepresentation
bin111111010101100…
…1000010000010100
312111010000010122120
41332223020100110
513323030011340
6550515055540
7103444126023
oct17653102024
95433003576
102125235220
119a0704749
124b38a15b0
1327b3b5144
141623788ba
15c689e4d0
hex7eac8414

2125235220 has 48 divisors (see below), whose sum is σ = 5953106880. Its totient is φ = 566496256.

The previous prime is 2125235219. The next prime is 2125235227. The reversal of 2125235220 is 225325212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125235227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179236 + ... + 190724.

It is an arithmetic number, because the mean of its divisors is an integer number (124023060).

Almost surely, 22125235220 is an apocalyptic number.

2125235220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125235220 is an abundant number, since it is smaller than the sum of its proper divisors (3827871660).

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

2125235220 is a wasteful number, since it uses less digits than its factorization.

2125235220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14584 (or 14582 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2125235220 is about 46100.2735349802. The cubic root of 2125235220 is about 1285.6882301951.

The spelling of 2125235220 in words is "two billion, one hundred twenty-five million, two hundred thirty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3083 6166 9249 11489 12332 15415 18498 22978 30830 34467 36996 45956 46245 57445 61660 68934 92490 114890 137868 172335 184980 229780 344670 689340 35420587 70841174 106261761 141682348 177102935 212523522 354205870 425047044 531308805 708411740 1062617610 2125235220