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212103332140 = 22576451234851
BaseRepresentation
bin1100010110001001011…
…0000000000100101100
3202021110211211122220011
43011202112000010230
511433341423112030
6241234450303004
721216055401430
oct3054226000454
9667424748804
10212103332140
1181a5288a837
1235134b87a64
13170029c307b
14a3a171a9c0
1557b5d06b2a
hex316258012c

212103332140 has 48 divisors (see below), whose sum is σ = 509129074944. Its totient is φ = 72709560000.

The previous prime is 212103332099. The next prime is 212103332141. The reversal of 212103332140 is 41233301212.

It is not an unprimeable number, because it can be changed into a prime (212103332141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785715 + ... + 1020565.

It is an arithmetic number, because the mean of its divisors is an integer number (10606855728).

Almost surely, 2212103332140 is an apocalyptic number.

212103332140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212103332140 is an abundant number, since it is smaller than the sum of its proper divisors (297025742804).

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

212103332140 is a wasteful number, since it uses less digits than its factorization.

212103332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241318 (or 241316 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212103332140 its reverse (41233301212), we get a palindrome (253336633352).

The spelling of 212103332140 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 6451 12902 25804 32255 45157 64510 90314 129020 180628 225785 234851 451570 469702 903140 939404 1174255 1643957 2348510 3287914 4697020 6575828 8219785 16439570 32879140 1515023801 3030047602 6060095204 7575119005 10605166607 15150238010 21210333214 30300476020 42420666428 53025833035 106051666070 212103332140