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2013033100 = 2252133741851
BaseRepresentation
bin111011111111100…
…0111001010001100
312012021212200021111
41313333013022030
513110314024400
6531430141404
7100612333111
oct16777071214
95167780244
102013033100
11943339621
124821b1864
1326108b660
141514cc908
15bbad93ba
hex77fc728c

2013033100 has 72 divisors (see below), whose sum is σ = 4831562288. Its totient is φ = 723168000.

The previous prime is 2013033083. The next prime is 2013033103. The reversal of 2013033100 is 13303102.

It is a super-2 number, since 2×20130331002 = 8104604523391220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2013033103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27175 + ... + 69025.

Almost surely, 22013033100 is an apocalyptic number.

2013033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013033100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415781144).

2013033100 is an abundant number, since it is smaller than the sum of its proper divisors (2818529188).

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

2013033100 is a wasteful number, since it uses less digits than its factorization.

2013033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41915 (or 41908 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2013033100 is about 44866.8374191897. The cubic root of 2013033100 is about 1262.6519060428.

Adding to 2013033100 its reverse (13303102), we get a palindrome (2026336202).

The spelling of 2013033100 in words is "two billion, thirteen million, thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 37 50 52 65 74 100 130 148 185 260 325 370 481 650 740 925 962 1300 1850 1924 2405 3700 4810 9620 12025 24050 41851 48100 83702 167404 209255 418510 544063 837020 1046275 1088126 1548487 2092550 2176252 2720315 3096974 4185100 5440630 6193948 7742435 10881260 13601575 15484870 20130331 27203150 30969740 38712175 40260662 54406300 77424350 80521324 100651655 154848700 201303310 402606620 503258275 1006516550 2013033100