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30751086336 = 283418910973
BaseRepresentation
bin11100101000111010…
…000101011100000000
32221101002121001010120
4130220322011130000
51000434234230321
622043222300240
72136016630635
oct345072053400
987332531116
1030751086336
1112050206343
125b62587680
132b90b80199
1416ba0c018c
15beea3cec6
hex728e85700

30751086336 has 144 divisors (see below), whose sum is σ = 84788635680. Its totient is φ = 9887088640.

The previous prime is 30751086307. The next prime is 30751086347. The reversal of 30751086336 is 63368015703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796946 + ... + 2807918.

It is an arithmetic number, because the mean of its divisors is an integer number (588809970).

Almost surely, 230751086336 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 30751086336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42394317840).

30751086336 is an abundant number, since it is smaller than the sum of its proper divisors (54037549344).

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

30751086336 is a wasteful number, since it uses less digits than its factorization.

30751086336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122 (or 11108 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 30751086336 in words is "thirty billion, seven hundred fifty-one million, eighty-six thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 89 96 123 128 164 178 192 246 256 267 328 356 384 492 534 656 712 768 984 1068 1312 1424 1968 2136 2624 2848 3649 3936 4272 5248 5696 7298 7872 8544 10496 10947 10973 11392 14596 15744 17088 21894 21946 22784 29192 31488 32919 34176 43788 43892 58384 65838 68352 87576 87784 116768 131676 175152 175568 233536 263352 350304 351136 449893 467072 526704 700608 702272 899786 934144 976597 1053408 1349679 1401216 1404544 1799572 1953194 2106816 2699358 2802432 2809088 2929791 3599144 3906388 4213632 5398716 5859582 7198288 7812776 8427264 10797432 11719164 14396576 15625552 21594864 23438328 28793152 31251104 40040477 43189728 46876656 57586304 62502208 80080954 86379456 93753312 115172608 120121431 125004416 160161908 172758912 187506624 240242862 250008832 320323816 345517824 375013248 480485724 640647632 750026496 960971448 1281295264 1921942896 2562590528 3843885792 5125181056 7687771584 10250362112 15375543168 30751086336