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30102213328 = 24114713127779
BaseRepresentation
bin11100000010001110…
…110101001011010000
32212200212121212200221
4130002032311023100
5443122131311303
621455002522424
72113650406615
oct340216651320
985625555627
1030102213328
1111847a07460
125a01206414
132ab9602165
141657c5450c
15bb2ab94bd
hex7023b52d0

30102213328 has 80 divisors (see below), whose sum is σ = 65477237760. Its totient is φ = 13288995200.

The previous prime is 30102213319. The next prime is 30102213341. The reversal of 30102213328 is 82331220103.

It is a super-2 number, since 2×301022133282 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069743 + ... + 1097521.

It is an arithmetic number, because the mean of its divisors is an integer number (818465472).

Almost surely, 230102213328 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 30102213328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32738618880).

30102213328 is an abundant number, since it is smaller than the sum of its proper divisors (35375024432).

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

30102213328 is a wasteful number, since it uses less digits than its factorization.

30102213328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27976 (or 27970 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 30102213328 in words is "thirty billion, one hundred two million, two hundred thirteen thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 44 47 88 94 131 176 188 262 376 517 524 752 1034 1048 1441 2068 2096 2882 4136 5764 6157 8272 11528 12314 23056 24628 27779 49256 55558 67727 98512 111116 135454 222232 270908 305569 444464 541816 611138 1083632 1222276 1305613 2444552 2611226 3639049 4889104 5222452 7278098 10444904 14361743 14556196 20889808 28723486 29112392 40029539 57446972 58224784 80059078 114893944 160118156 171035303 229787888 320236312 342070606 640472624 684141212 1368282424 1881388333 2736564848 3762776666 7525553332 15051106664 30102213328