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30694297480 = 235711382361
BaseRepresentation
bin11100100101100001…
…011100111110001000
32221020010201212110121
4130211201130332020
51000330220004410
622033433153024
72134430136520
oct344541347610
987203655417
1030694297480
1112021149000
125b4755b774
132b82188a02
1416b273a680
15be9a719da
hex72585cf88

30694297480 has 128 divisors (see below), whose sum is σ = 86816136960. Its totient is φ = 9566937600.

The previous prime is 30694297393. The next prime is 30694297531. The reversal of 30694297480 is 8479249603.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331500 + ... + 413860.

It is an arithmetic number, because the mean of its divisors is an integer number (678251070).

Almost surely, 230694297480 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 30694297480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43408068480).

30694297480 is an abundant number, since it is smaller than the sum of its proper divisors (56121839480).

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

30694297480 is a wasteful number, since it uses less digits than its factorization.

30694297480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82412 (or 82386 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 30694297480 in words is "thirty billion, six hundred ninety-four million, two hundred ninety-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 110 121 140 154 220 242 280 308 385 440 484 605 616 770 847 968 1210 1331 1540 1694 2420 2662 3080 3388 4235 4840 5324 6655 6776 8470 9317 10648 13310 16940 18634 26620 33880 37268 46585 53240 74536 82361 93170 164722 186340 329444 372680 411805 576527 658888 823610 905971 1153054 1647220 1811942 2306108 2882635 3294440 3623884 4529855 4612216 5765270 6341797 7247768 9059710 9965681 11530540 12683594 18119420 19931362 23061080 25367188 31708985 36238840 39862724 49828405 50734376 63417970 69759767 79725448 99656810 109622491 126835940 139519534 199313620 219244982 253671880 279039068 348798835 398627240 438489964 548112455 558078136 697597670 767357437 876979928 1096224910 1395195340 1534714874 2192449820 2790390680 3069429748 3836787185 4384899640 6138859496 7673574370 15347148740 30694297480