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30020239480 = 23571117573343
BaseRepresentation
bin11011111101010110…
…001000000001111000
32212111011101011201111
4123331112020001320
5442440140130410
621442513530104
72111633553040
oct337526100170
985434334644
1030020239480
1111805708280
125999873934
132aa563051a
14164add6720
15baa7c5b8a
hex6fd588078

30020239480 has 128 divisors (see below), whose sum is σ = 89166458880. Its totient is φ = 8806533120.

The previous prime is 30020239439. The next prime is 30020239481. The reversal of 30020239480 is 8493202003.

It is a super-3 number, since 3×300202394803 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020239481) by changing a digit.

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, 234312 + ... + 339031.

It is an arithmetic number, because the mean of its divisors is an integer number (696612960).

Almost surely, 230020239480 is an apocalyptic number.

It is an amenable number.

30020239480 is an abundant number, since it is smaller than the sum of its proper divisors (59146219400).

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

30020239480 is a wasteful number, since it uses less digits than its factorization.

30020239480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573389 (or 573385 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 30020239480 in words is "thirty billion, twenty million, two hundred thirty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 17 20 22 28 34 35 40 44 55 56 68 70 77 85 88 110 119 136 140 154 170 187 220 238 280 308 340 374 385 440 476 595 616 680 748 770 935 952 1190 1309 1496 1540 1870 2380 2618 3080 3740 4760 5236 6545 7480 10472 13090 26180 52360 573343 1146686 2293372 2866715 4013401 4586744 5733430 6306773 8026802 9746831 11466860 12613546 16053604 19493662 20067005 22933720 25227092 31533865 32107208 38987324 40134010 44147411 48734155 50454184 63067730 68227817 77974648 80268020 88294822 97468310 107215141 126135460 136455634 160536040 176589644 194936620 214430282 220737055 252270920 272911268 341139085 353179288 389873240 428860564 441474110 536075705 545822536 682278170 750505987 857721128 882948220 1072151410 1364556340 1501011974 1765896440 2144302820 2729112680 3002023948 3752529935 4288605640 6004047896 7505059870 15010119740 30020239480