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30022003320 = 2335318990679
BaseRepresentation
bin11011111101011100…
…110110101001111000
32212111021200210020220
4123331130312221320
5442441113101240
621443015420040
72111654550321
oct337534665170
985437623226
1030022003320
11118067024a1
12599a384620
132aa5aca30a
14164b335448
15baaa235d0
hex6fd736a78

30022003320 has 128 divisors (see below), whose sum is σ = 94017024000. Its totient is φ = 7660477440.

The previous prime is 30022003313. The next prime is 30022003321. The reversal of 30022003320 is 2330022003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30022003320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022003321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285741 + ... + 376419.

It is an arithmetic number, because the mean of its divisors is an integer number (734508000).

Almost surely, 230022003320 is an apocalyptic number.

30022003320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022003320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47008512000).

30022003320 is an abundant number, since it is smaller than the sum of its proper divisors (63995020680).

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

30022003320 is a wasteful number, since it uses less digits than its factorization.

30022003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90813 (or 90809 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 30022003320 its reverse (2330022003), we get a palindrome (32352025323).

The spelling of 30022003320 in words is "thirty billion, twenty-two million, three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 89 93 120 124 155 178 186 248 267 310 356 372 445 465 534 620 712 744 890 930 1068 1240 1335 1780 1860 2136 2670 2759 3560 3720 5340 5518 8277 10680 11036 13795 16554 22072 27590 33108 41385 55180 66216 82770 90679 110360 165540 181358 272037 331080 362716 453395 544074 725432 906790 1088148 1360185 1813580 2176296 2720370 2811049 3627160 5440740 5622098 8070431 8433147 10881480 11244196 14055245 16140862 16866294 22488392 24211293 28110490 32281724 33732588 40352155 42165735 48422586 56220980 64563448 67465176 80704310 84331470 96845172 112441960 121056465 161408620 168662940 193690344 242112930 250183361 322817240 337325880 484225860 500366722 750550083 968451720 1000733444 1250916805 1501100166 2001466888 2501833610 3002200332 3752750415 5003667220 6004400664 7505500830 10007334440 15011001660 30022003320