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2212133000 = 235371128729
BaseRepresentation
bin1000001111011010…
…0111100010001000
312201011111222222212
42003312213202020
514012301224000
61003301404252
7105550551230
oct20366474210
95634458885
102212133000
11a357672a0
12518a09688
132933bc04c
1416db18cc0
15ce316c35
hex83da7888

2212133000 has 128 divisors (see below), whose sum is σ = 6453907200. Its totient is φ = 689472000.

The previous prime is 2212132991. The next prime is 2212133009. The reversal of 2212133000 is 3312122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212132991) and next prime (2212133009).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2212133009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62636 + ... + 91364.

It is an arithmetic number, because the mean of its divisors is an integer number (50421150).

Almost surely, 22212133000 is an apocalyptic number.

2212133000 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 2212133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3226953600).

2212133000 is an abundant number, since it is smaller than the sum of its proper divisors (4241774200).

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

2212133000 is a wasteful number, since it uses less digits than its factorization.

2212133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28768 (or 28754 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2212133000 is about 47033.3179777910. The cubic root of 2212133000 is about 1302.9779855696.

Adding to 2212133000 its reverse (3312122), we get a palindrome (2215445122).

The spelling of 2212133000 in words is "two billion, two hundred twelve million, one hundred thirty-three thousand".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 700 770 875 1000 1100 1375 1400 1540 1750 1925 2200 2750 3080 3500 3850 5500 7000 7700 9625 11000 15400 19250 28729 38500 57458 77000 114916 143645 201103 229832 287290 316019 402206 574580 632038 718225 804412 1005515 1149160 1264076 1436450 1580095 1608824 2011030 2212133 2528152 2872900 3160190 3591125 4022060 4424266 5027575 5745800 6320380 7182250 7900475 8044120 8848532 10055150 11060665 12640760 14364500 15800950 17697064 20110300 22121330 25137875 28729000 31601900 39502375 40220600 44242660 50275750 55303325 63203800 79004750 88485320 100551500 110606650 158009500 201103000 221213300 276516625 316019000 442426600 553033250 1106066500 2212133000