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30825558102784 = 281396071427143
BaseRepresentation
bin1110000001001001000100…
…11100001101001100000000
311001010220011010220122101011
413000210202130031030000
513020021220333242114
6145321022122250304
76331034031442354
oct700444234151400
9131126133818334
1030825558102784
119905055a23745
12355a249056994
131427ab743b763
14787d71c57464
15386c9bc821c4
hex1c092270d300

30825558102784 has 72 divisors (see below), whose sum is σ = 62075512110080. Its totient is φ = 15276675990528.

The previous prime is 30825558102751. The next prime is 30825558102797. The reversal of 30825558102784 is 48720185552803.

It is a super-2 number, since 2×308255581027842 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20885917 + ... + 22313059.

Almost surely, 230825558102784 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 30825558102784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31037756055040).

30825558102784 is an abundant number, since it is smaller than the sum of its proper divisors (31249954007296).

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

30825558102784 is a wasteful number, since it uses less digits than its factorization.

30825558102784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427905 (or 1427891 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 30825558102784 in words is "thirty trillion, eight hundred twenty-five billion, five hundred fifty-eight million, one hundred two thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 139 256 278 556 607 1112 1214 2224 2428 4448 4856 8896 9712 17792 19424 35584 38848 77696 84373 155392 168746 337492 674984 1349968 1427143 2699936 2854286 5399872 5708572 10799744 11417144 21599488 22834288 45668576 91337152 182674304 198372877 365348608 396745754 793491508 866275801 1586983016 1732551602 3173966032 3465103204 6347932064 6930206408 12695864128 13860412816 25391728256 27720825632 50783456512 55441651264 110883302528 120412336339 221766605056 240824672678 481649345356 963298690712 1926597381424 3853194762848 7706389525696 15412779051392 30825558102784