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30325112544 = 2532972714983
BaseRepresentation
bin11100001111100001…
…000111111011100000
32220021102001022221110
4130033201013323200
5444101212100134
621533044223320
72122325126556
oct341741077340
986242038843
1030325112544
111195180a991
125a6399ab40
132b2384639c
1416796b7bd6
15bc74487e9
hex70f847ee0

30325112544 has 96 divisors (see below), whose sum is σ = 82467141120. Its totient is φ = 9745731072.

The previous prime is 30325112537. The next prime is 30325112549. The reversal of 30325112544 is 44521152303.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×303251125442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30325112549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016477 + ... + 2031459.

It is an arithmetic number, because the mean of its divisors is an integer number (859032720).

Almost surely, 230325112544 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 30325112544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41233570560).

30325112544 is an abundant number, since it is smaller than the sum of its proper divisors (52142028576).

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

30325112544 is a wasteful number, since it uses less digits than its factorization.

30325112544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752 (or 15744 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 30325112544 its reverse (44521152303), we get a palindrome (74846264847).

The spelling of 30325112544 in words is "thirty billion, three hundred twenty-five million, one hundred twelve thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 727 928 1392 1454 2181 2784 2908 4362 5816 8724 11632 14983 17448 21083 23264 29966 34896 42166 44949 59932 63249 69792 84332 89898 119864 126498 168664 179796 239728 252996 337328 359592 434507 479456 505992 674656 719184 869014 1011984 1303521 1438368 1738028 2023968 2607042 3476056 5214084 6952112 10428168 10892641 13904224 20856336 21785282 32677923 41712672 43570564 65355846 87141128 130711692 174282256 261423384 315886589 348564512 522846768 631773178 947659767 1045693536 1263546356 1895319534 2527092712 3790639068 5054185424 7581278136 10108370848 15162556272 30325112544