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30323010040 = 2354331156687
BaseRepresentation
bin11100001111011001…
…000110100111111000
32220021021002111211221
4130033121012213320
5444100142310130
621532531201424
72122301222041
oct341731064770
986237074757
1030323010040
1111950604284
125a63146274
132b2328b3bb
1416792cb8c8
15bc718087a
hex70f6469f8

30323010040 has 64 divisors (see below), whose sum is σ = 70039157760. Its totient is φ = 11808827520.

The previous prime is 30323010017. The next prime is 30323010061. The reversal of 30323010040 is 4001032303.

It is a junction number, because it is equal to n+sod(n) for n = 30323009996 and 30323010023.

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, 506577 + ... + 563263.

It is an arithmetic number, because the mean of its divisors is an integer number (1094361840).

Almost surely, 230323010040 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 30323010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35019578880).

30323010040 is an abundant number, since it is smaller than the sum of its proper divisors (39716147720).

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

30323010040 is a wasteful number, since it uses less digits than its factorization.

30323010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57052 (or 57048 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30323010040 its reverse (4001032303), we get a palindrome (34324042343).

The spelling of 30323010040 in words is "thirty billion, three hundred twenty-three million, ten thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 311 344 430 622 860 1244 1555 1720 2488 3110 6220 12440 13373 26746 53492 56687 66865 106984 113374 133730 226748 267460 283435 453496 534920 566870 1133740 2267480 2437541 4875082 9750164 12187705 17629657 19500328 24375410 35259314 48750820 70518628 88148285 97501640 141037256 176296570 352593140 705186280 758075251 1516150502 3032301004 3790376255 6064602008 7580752510 15161505020 30323010040