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30482139840 = 263549876367
BaseRepresentation
bin11100011000111000…
…001000101011000000
32220200100112010220020
4130120320020223000
5444411411433330
622000414013440
72126242625235
oct343070105300
986610463806
1030482139840
1111a22411909
125aa84a7280
132b4a235a49
1416924b178c
15bd6115210
hex718e08ac0

30482139840 has 112 divisors (see below), whose sum is σ = 96815404032. Its totient is φ = 8125664256.

The previous prime is 30482139811. The next prime is 30482139841. The reversal of 30482139840 is 4893128403.

It is a junction number, because it is equal to n+sod(n) for n = 30482139792 and 30482139801.

It is not an unprimeable number, because it can be changed into a prime (30482139841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4784337 + ... + 4790703.

Almost surely, 230482139840 is an apocalyptic number.

30482139840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30482139840 is an abundant number, since it is smaller than the sum of its proper divisors (66333264192).

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

30482139840 is a wasteful number, since it uses less digits than its factorization.

30482139840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374 (or 11364 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 30482139840 in words is "thirty billion, four hundred eighty-two million, one hundred thirty-nine thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 4987 6367 9974 12734 14961 19101 19948 24935 25468 29922 31835 38202 39896 49870 50936 59844 63670 74805 76404 79792 95505 99740 101872 119688 127340 149610 152808 159584 191010 199480 203744 239376 254680 299220 305616 319168 382020 398960 407488 478752 509360 598440 611232 764040 797920 957504 1018720 1196880 1222464 1528080 1595840 2037440 2393760 3056160 4787520 6112320 31752229 63504458 95256687 127008916 158761145 190513374 254017832 317522290 381026748 476283435 508035664 635044580 762053496 952566870 1016071328 1270089160 1524106992 1905133740 2032142656 2540178320 3048213984 3810267480 5080356640 6096427968 7620534960 10160713280 15241069920 30482139840