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30022221330 = 2325837335483
BaseRepresentation
bin11011111101011101…
…101011111000010010
32212111022002212022100
4123331131223320102
5442441142040310
621443024221230
72111656446033
oct337535537022
985438085270
1030022221330
1111806841272
12599a46a816
132aa5b7560a
14164b390a8a
15baaa67ec0
hex6fd76be12

30022221330 has 96 divisors (see below), whose sum is σ = 79120431936. Its totient is φ = 7897237632.

The previous prime is 30022221311. The next prime is 30022221337. The reversal of 30022221330 is 3312222003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30022221337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5472769 + ... + 5478251.

It is an arithmetic number, because the mean of its divisors is an integer number (824171166).

Almost surely, 230022221330 is an apocalyptic number.

30022221330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022221330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39560215968).

30022221330 is an abundant number, since it is smaller than the sum of its proper divisors (49098210606).

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

30022221330 is a wasteful number, since it uses less digits than its factorization.

30022221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30022221330 its reverse (3312222003), we get a palindrome (33334443333).

The spelling of 30022221330 in words is "thirty billion, twenty-two million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 83 90 166 249 415 498 733 747 830 1245 1466 1494 2199 2490 3665 3735 4398 5483 6597 7330 7470 10966 10995 13194 16449 21990 27415 32898 32985 49347 54830 60839 65970 82245 98694 121678 164490 182517 246735 304195 365034 455089 493470 547551 608390 910178 912585 1095102 1365267 1825170 2275445 2730534 2737755 4019039 4095801 4550890 5475510 6826335 8038078 8191602 12057117 13652670 20095195 20479005 24114234 36171351 40190390 40958010 60285585 72342702 120571170 180856755 333580237 361713510 667160474 1000740711 1667901185 2001481422 3002222133 3335802370 5003703555 6004444266 10007407110 15011110665 30022221330