Search a number
-
+
30330311120220 = 223523191786714627
BaseRepresentation
bin1101110010101110100110…
…11010111001010101011100
310222101112211112100020022110
412321113103122321111130
512433412434121321340
6144301315204514020
76250202245523466
oct671272332712534
9128345745306273
1030330311120220
119734015a10631
12349a2739ab910
1313c019cc25447
1476bdcdda3136
15378e6356a680
hex1b95d36b955c

30330311120220 has 192 divisors, whose sum is σ = 89098635902976. Its totient is φ = 7694417998080.

The previous prime is 30330311120107. The next prime is 30330311120231. The reversal of 30330311120220 is 2202111303303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2073576547 + ... + 2073591173.

It is an arithmetic number, because the mean of its divisors is an integer number (464055395328).

Almost surely, 230330311120220 is an apocalyptic number.

30330311120220 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 30330311120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44549317951488).

30330311120220 is an abundant number, since it is smaller than the sum of its proper divisors (58768324782756).

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

30330311120220 is a wasteful number, since it uses less digits than its factorization.

30330311120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22720 (or 22718 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30330311120220 its reverse (2202111303303), we get a palindrome (32532422423523).

The spelling of 30330311120220 in words is "thirty trillion, three hundred thirty billion, three hundred eleven million, one hundred twenty thousand, two hundred twenty".