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30022214440 = 23547109239613
BaseRepresentation
bin11011111101011101…
…101010001100101000
32212111022002111212011
4123331131222030220
5442441141330230
621443024125304
72111656416661
oct337535521450
985438074764
1030022214440
1111806837079
12599a466834
132aa5b7243a
14164b38c368
15baaa65e2a
hex6fd76a328

30022214440 has 128 divisors (see below), whose sum is σ = 70025472000. Its totient is φ = 11577904128.

The previous prime is 30022214429. The next prime is 30022214447. The reversal of 30022214440 is 4441222003.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30022214447) 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, 48975574 + ... + 48976186.

It is an arithmetic number, because the mean of its divisors is an integer number (547074000).

Almost surely, 230022214440 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 30022214440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35012736000).

30022214440 is an abundant number, since it is smaller than the sum of its proper divisors (40003257560).

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

30022214440 is a wasteful number, since it uses less digits than its factorization.

30022214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30022214440 its reverse (4441222003), we get a palindrome (34463436443).

The spelling of 30022214440 in words is "thirty billion, twenty-two million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 109 188 218 235 239 376 436 470 478 545 613 872 940 956 1090 1195 1226 1880 1912 2180 2390 2452 3065 4360 4780 4904 5123 6130 9560 10246 11233 12260 20492 22466 24520 25615 26051 28811 40984 44932 51230 52102 56165 57622 66817 89864 102460 104204 112330 115244 130255 133634 144055 146507 204920 208408 224660 230488 260510 267268 288110 293014 334085 449320 521020 534536 576220 586028 668170 732535 1042040 1152440 1172056 1224397 1336340 1465070 2448794 2672680 2930140 3140399 4897588 5860280 6121985 6280798 6885829 9795176 12243970 12561596 13771658 15701995 15969263 24487940 25123192 27543316 31403990 31938526 34429145 48975880 55086632 62807980 63877052 68858290 79846315 125615960 127754104 137716580 159692630 275433160 319385260 638770520 750555361 1501110722 3002221444 3752776805 6004442888 7505553610 15011107220 30022214440