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2213881412 = 22553470353
BaseRepresentation
bin1000001111110101…
…0010011001000100
312201021210211100212
42003331102121010
514013223201122
61003403054552
7105601452521
oct20375223104
95637724325
102213881412
11a36750966
12519511458
13293881b02
14170052148
15ce55ece2
hex83f52644

2213881412 has 6 divisors (see below), whose sum is σ = 3874292478. Its totient is φ = 1106940704.

The previous prime is 2213881403. The next prime is 2213881429. The reversal of 2213881412 is 2141883122.

It can be written as a sum of positive squares in only one way, i.e., 2185001536 + 28879876 = 46744^2 + 5374^2 .

It is a super-2 number, since 2×22138814122 = 9802541812798227488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276735173 + ... + 276735180.

It is an arithmetic number, because the mean of its divisors is an integer number (645715413).

Almost surely, 22213881412 is an apocalyptic number.

It is an amenable number.

2213881412 is a deficient number, since it is larger than the sum of its proper divisors (1660411066).

2213881412 is a wasteful number, since it uses less digits than its factorization.

2213881412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553470357 (or 553470355 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 2213881412 is about 47051.9012580788. The cubic root of 2213881412 is about 1303.3211750635.

The spelling of 2213881412 in words is "two billion, two hundred thirteen million, eight hundred eighty-one thousand, four hundred twelve".

Divisors: 1 2 4 553470353 1106940706 2213881412