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212451253050 = 23522339605533
BaseRepresentation
bin1100010111011100010…
…1001101101100111010
3202022101002111212122210
43011313011031230322
511440100010044200
6241333155355550
721230511566211
oct3056705155472
9668332455583
10212451253050
1182111214983
12352115b2bb6
1317059acbb2a
14a3d5a06078
1557d662e650
hex317714db3a

212451253050 has 48 divisors (see below), whose sum is σ = 527105236320. Its totient is φ = 56629352640.

The previous prime is 212451253031. The next prime is 212451253051. The reversal of 212451253050 is 50352154212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 212451252999 and 212451253017.

It is not an unprimeable number, because it can be changed into a prime (212451253051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48084 + ... + 653616.

It is an arithmetic number, because the mean of its divisors is an integer number (10981359090).

Almost surely, 2212451253050 is an apocalyptic number.

212451253050 is an abundant number, since it is smaller than the sum of its proper divisors (314653983270).

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

212451253050 is a wasteful number, since it uses less digits than its factorization.

212451253050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607887 (or 607882 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 212451253050 in words is "two hundred twelve billion, four hundred fifty-one million, two hundred fifty-three thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2339 4678 7017 11695 14034 23390 35085 58475 70170 116950 175425 350850 605533 1211066 1816599 3027665 3633198 6055330 9082995 15138325 18165990 30276650 45414975 90829950 1416341687 2832683374 4249025061 7081708435 8498050122 14163416870 21245125305 35408542175 42490250610 70817084350 106225626525 212451253050