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30180041332 = 2271989637409
BaseRepresentation
bin11100000110110111…
…101110001001110100
32212220022001221122121
4130012313232021310
5443302042310312
621510423005324
72115614055460
oct340667561164
985808057577
1030180041332
1111887934821
125a23299844
132acc781a2c
1416643134a0
15bb983e707
hex706dee274

30180041332 has 48 divisors (see below), whose sum is σ = 64250928000. Its totient is φ = 12115851264.

The previous prime is 30180041323. The next prime is 30180041417. The reversal of 30180041332 is 23314008103.

It is a junction number, because it is equal to n+sod(n) for n = 30180041297 and 30180041306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271357 + ... + 366052.

It is an arithmetic number, because the mean of its divisors is an integer number (1338561000).

Almost surely, 230180041332 is an apocalyptic number.

It is an amenable number.

30180041332 is an abundant number, since it is smaller than the sum of its proper divisors (34070886668).

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

30180041332 is a wasteful number, since it uses less digits than its factorization.

30180041332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637528 (or 637526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30180041332 its reverse (23314008103), we get a palindrome (53494049435).

The spelling of 30180041332 in words is "thirty billion, one hundred eighty million, forty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 76 89 133 178 266 356 532 623 1246 1691 2492 3382 6764 11837 23674 47348 637409 1274818 2549636 4461863 8923726 12110771 17847452 24221542 48443084 56729401 84775397 113458802 169550794 226917604 339101588 397105807 794211614 1077858619 1588423228 2155717238 4311434476 7545010333 15090020666 30180041332