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30796329648 = 24371913111543
BaseRepresentation
bin11100101011100110…
…101011001010110000
32221111020201122021210
4130223212223022300
51001032330022043
622051520120120
72140106324430
oct345346531260
987436648253
1030796329648
11120737a8307
125b75766040
132b9a361486
1416c20da2c0
15c039c8633
hex72b9ab2b0

30796329648 has 160 divisors (see below), whose sum is σ = 91751841792. Its totient is φ = 8719084800.

The previous prime is 30796329623. The next prime is 30796329649. The reversal of 30796329648 is 84692369703.

It is not an unprimeable number, because it can be changed into a prime (30796329649) 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, 19957965 + ... + 19959507.

Almost surely, 230796329648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30796329648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45875920896).

30796329648 is an abundant number, since it is smaller than the sum of its proper divisors (60955512144).

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

30796329648 is a wasteful number, since it uses less digits than its factorization.

30796329648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 30796329648 in words is "thirty billion, seven hundred ninety-six million, three hundred twenty-nine thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 191 311 336 382 573 622 764 933 1146 1244 1337 1528 1543 1866 2177 2292 2488 2674 3056 3086 3732 4011 4354 4584 4629 4976 5348 6172 6531 7464 8022 8708 9168 9258 10696 10801 12344 13062 14928 16044 17416 18516 21392 21602 24688 26124 32088 32403 34832 37032 43204 52248 59401 64176 64806 74064 86408 104496 118802 129612 172816 178203 237604 259224 294713 356406 415807 475208 479873 518448 589426 712812 831614 884139 950416 959746 1178852 1247421 1425624 1439619 1663228 1768278 1919492 2062991 2357704 2494842 2851248 2879238 3326456 3359111 3536556 3838984 4125982 4715408 4989684 5758476 6188973 6652912 6718222 7073112 7677968 8251964 9979368 10077333 11516952 12377946 13436444 14146224 16503928 19958736 20154666 23033904 24755892 26872888 33007856 40309332 49511784 53745776 80618664 91655743 99023568 161237328 183311486 274967229 366622972 549934458 641590201 733245944 1099868916 1283180402 1466491888 1924770603 2199737832 2566360804 3849541206 4399475664 5132721608 7699082412 10265443216 15398164824 30796329648