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2153208850 = 2521331106859
BaseRepresentation
bin1000000001010111…
…0101110000010010
312120001122100020221
42000111311300102
513402210140400
6553354423254
7104233654552
oct20025656022
95501570227
102153208850
11a05480751
12501131b2a
1328412a9a0
14165d7b162
15c9077c1a
hex80575c12

2153208850 has 48 divisors (see below), whose sum is σ = 4452215040. Its totient is φ = 769377600.

The previous prime is 2153208847. The next prime is 2153208851. The reversal of 2153208850 is 588023512.

It is not an unprimeable number, because it can be changed into a prime (2153208851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33280 + ... + 73579.

It is an arithmetic number, because the mean of its divisors is an integer number (92754480).

Almost surely, 22153208850 is an apocalyptic number.

2153208850 is an abundant number, since it is smaller than the sum of its proper divisors (2299006190).

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

2153208850 is a wasteful number, since it uses less digits than its factorization.

2153208850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106915 (or 106910 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2153208850 is about 46402.6814957929. The cubic root of 2153208850 is about 1291.3046612771.

The spelling of 2153208850 in words is "two billion, one hundred fifty-three million, two hundred eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 31 50 62 65 130 155 310 325 403 650 775 806 1550 2015 4030 10075 20150 106859 213718 534295 1068590 1389167 2671475 2778334 3312629 5342950 6625258 6945835 13891670 16563145 33126290 34729175 43064177 69458350 82815725 86128354 165631450 215320885 430641770 1076604425 2153208850