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2113210332 = 2232197297971
BaseRepresentation
bin111110111110101…
…0000011111011100
312110021101012121100
41331331100133130
513311440212312
6545405233100
7103236664032
oct17575203734
95407335540
102113210332
11994941222
124ab862790
13278a64a1c
14160928552
15c57c65dc
hex7df507dc

2113210332 has 36 divisors (see below), whose sum is σ = 5368859496. Its totient is φ = 700825440.

The previous prime is 2113210327. The next prime is 2113210339. The reversal of 2113210332 is 2330123112.

2113210332 is a `hidden beast` number, since 2 + 11 + 321 + 0 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113210339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141894 + ... + 156077.

It is an arithmetic number, because the mean of its divisors is an integer number (149134986).

Almost surely, 22113210332 is an apocalyptic number.

It is an amenable number.

2113210332 is an abundant number, since it is smaller than the sum of its proper divisors (3255649164).

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

2113210332 is a wasteful number, since it uses less digits than its factorization.

2113210332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298178 (or 298173 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2113210332 is about 45969.6675210948. The cubic root of 2113210332 is about 1283.2587724077.

Adding to 2113210332 its reverse (2330123112), we get a palindrome (4443333444).

The spelling of 2113210332 in words is "two billion, one hundred thirteen million, two hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 197 394 591 788 1182 1773 2364 3546 7092 297971 595942 893913 1191884 1787826 2681739 3575652 5363478 10726956 58700287 117400574 176100861 234801148 352201722 528302583 704403444 1056605166 2113210332