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2113005252 = 2231371285283
BaseRepresentation
bin111110111110001…
…1110011011000100
312110020222210021210
41331330132123010
513311412132002
6545401011420
7103235151111
oct17574363304
95406883253
102113005252
11994811136
124ab783b70
132789c2587
141608b3908
15c578596c
hex7df1e6c4

2113005252 has 24 divisors (see below), whose sum is σ = 4966337376. Its totient is φ = 699193408.

The previous prime is 2113005217. The next prime is 2113005269. The reversal of 2113005252 is 2525003112.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 640998 + ... + 644285.

It is an arithmetic number, because the mean of its divisors is an integer number (206930724).

Almost surely, 22113005252 is an apocalyptic number.

It is an amenable number.

2113005252 is an abundant number, since it is smaller than the sum of its proper divisors (2853332124).

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

2113005252 is a wasteful number, since it uses less digits than its factorization.

2113005252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285427 (or 1285425 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2113005252 is about 45967.4368656770. The cubic root of 2113005252 is about 1283.2172590731.

Adding to 2113005252 its reverse (2525003112), we get a palindrome (4638008364).

The spelling of 2113005252 in words is "two billion, one hundred thirteen million, five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 1285283 2570566 3855849 5141132 7711698 15423396 176083771 352167542 528251313 704335084 1056502626 2113005252