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30252646650 = 23521719959617
BaseRepresentation
bin11100001011001100…
…101100000011111010
32220002100200200102110
4130023030230003322
5443424134143100
621521535113150
72120455153002
oct341314540372
986070620373
1030252646650
1111914915216
125a436727b6
132b11823365
14166dc13002
15bc0dd2250
hex70b32c0fa

30252646650 has 96 divisors (see below), whose sum is σ = 79840425600. Its totient is φ = 7554539520.

The previous prime is 30252646643. The next prime is 30252646673. The reversal of 30252646650 is 5664625203.

It is a junction number, because it is equal to n+sod(n) for n = 30252646599 and 30252646608.

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 47 ways as a sum of consecutive naturals, for example, 477642 + ... + 537258.

It is an arithmetic number, because the mean of its divisors is an integer number (831671100).

Almost surely, 230252646650 is an apocalyptic number.

30252646650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30252646650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39920212800).

30252646650 is an abundant number, since it is smaller than the sum of its proper divisors (49587778950).

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

30252646650 is a wasteful number, since it uses less digits than its factorization.

30252646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59848 (or 59843 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 30252646650 in words is "thirty billion, two hundred fifty-two million, six hundred forty-six thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 150 170 199 255 398 425 510 597 850 995 1194 1275 1990 2550 2985 3383 4975 5970 6766 9950 10149 14925 16915 20298 29850 33830 50745 59617 84575 101490 119234 169150 178851 253725 298085 357702 507450 596170 894255 1013489 1490425 1788510 2026978 2980850 3040467 4471275 5067445 6080934 8942550 10134890 11863783 15202335 23727566 25337225 30404670 35591349 50674450 59318915 71182698 76011675 118637830 152023350 177956745 201684311 296594575 355913490 403368622 593189150 605052933 889783725 1008421555 1210105866 1779567450 2016843110 3025264665 5042107775 6050529330 10084215550 15126323325 30252646650