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2203213012 = 2271121350023
BaseRepresentation
bin1000001101010010…
…0101110011010100
312200112201211001221
42003110211303110
514003010304022
61002342300124
7105412000360
oct20324456324
95615654057
102203213012
11a30724600
12515a27644
132915b7c50
1416c8762a0
15cd653cc7
hex83525cd4

2203213012 has 72 divisors (see below), whose sum is σ = 5216102528. Its totient is φ = 792348480.

The previous prime is 2203213003. The next prime is 2203213037. The reversal of 2203213012 is 2103123022.

It is a super-2 number, since 2×22032130122 = 9708295152492224288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19033 + ... + 69055.

Almost surely, 22203213012 is an apocalyptic number.

2203213012 is a gapful number since it is divisible by the number (22) 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 2203213012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608051264).

2203213012 is an abundant number, since it is smaller than the sum of its proper divisors (3012889516).

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

2203213012 is a wasteful number, since it uses less digits than its factorization.

2203213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50069 (or 50056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2203213012 is about 46938.3959248716. The cubic root of 2203213012 is about 1301.2242927974.

Adding to 2203213012 its reverse (2103123022), we get a palindrome (4306336034).

The spelling of 2203213012 in words is "two billion, two hundred three million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 121 143 154 182 242 286 308 364 484 572 847 1001 1573 1694 2002 3146 3388 4004 6292 11011 22022 44044 50023 100046 200092 350161 550253 650299 700322 1100506 1300598 1400644 2201012 2601196 3851771 4552093 6052783 7153289 7703542 9104186 12105566 14306578 15407084 18208372 24211132 28613156 42369481 50073023 78686179 84738962 100146046 157372358 169477924 200292092 314744716 550803253 1101606506 2203213012