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212202213000 = 23353142949499
BaseRepresentation
bin1100010110100000111…
…1001100111010001000
3202021201201220022221020
43011220033030322020
511434042231304000
6241252341512440
721221366023011
oct3055017147210
9667651808836
10212202213000
1181aa3687458
1235162112720
131701a33435b
14a3b08da008
1557be839ba0
hex31683cce88

212202213000 has 128 divisors (see below), whose sum is σ = 662547600000. Its totient is φ = 56546515200.

The previous prime is 212202212953. The next prime is 212202213017. The reversal of 212202213000 is 312202212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4262251 + ... + 4311749.

It is an arithmetic number, because the mean of its divisors is an integer number (5176153125).

Almost surely, 2212202213000 is an apocalyptic number.

212202213000 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 212202213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331273800000).

212202213000 is an abundant number, since it is smaller than the sum of its proper divisors (450345387000).

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

212202213000 is a wasteful number, since it uses less digits than its factorization.

212202213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50952 (or 50938 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212202213000 its reverse (312202212), we get a palindrome (212514415212).

The spelling of 212202213000 in words is "two hundred twelve billion, two hundred two million, two hundred thirteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1429 1500 2858 3000 4287 5716 7145 8574 11432 14290 17148 21435 28580 34296 35725 42870 49499 57160 71450 85740 98998 107175 142900 148497 171480 178625 197996 214350 247495 285800 296994 357250 395992 428700 494990 535875 593988 714500 742485 857400 989980 1071750 1187976 1237475 1429000 1484970 1979960 2143500 2474950 2969940 3712425 4287000 4949900 5939880 6187375 7424850 9899800 12374750 14849700 18562125 24749500 29699400 37124250 49499000 70734071 74248500 141468142 148497000 212202213 282936284 353670355 424404426 565872568 707340710 848808852 1061011065 1414681420 1697617704 1768351775 2122022130 2829362840 3536703550 4244044260 5305055325 7073407100 8488088520 8841758875 10610110650 14146814200 17683517750 21220221300 26525276625 35367035500 42440442600 53050553250 70734071000 106101106500 212202213000