Search a number
-
+
30300123201020 = 22515972239423697
BaseRepresentation
bin1101110001110110011000…
…00101000111110111111100
310222021122220200110001020222
412320323030011013313330
512432414123014413040
6144235403501000512
76245053204454321
oct670731405076774
9128248820401228
1030300123201020
119722234696082
123494449b53138
1313ba39b945a6a
1476a7689dcb48
153782981c1bb5
hex1b8ecc147dfc

30300123201020 has 48 divisors (see below), whose sum is σ = 63698689528320. Its totient is φ = 12107021681664.

The previous prime is 30300123200933. The next prime is 30300123201031. The reversal of 30300123201020 is 2010232100303.

It is a self number, because there is not a number n which added to its sum of digits gives 30300123201020.

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, 71301812 + ... + 71725508.

It is an arithmetic number, because the mean of its divisors is an integer number (1327056031840).

Almost surely, 230300123201020 is an apocalyptic number.

It is an amenable number.

30300123201020 is an abundant number, since it is smaller than the sum of its proper divisors (33398566327300).

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

30300123201020 is a wasteful number, since it uses less digits than its factorization.

30300123201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427542 (or 427540 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30300123201020 its reverse (2010232100303), we get a palindrome (32310355301323).

The spelling of 30300123201020 in words is "thirty trillion, three hundred billion, one hundred twenty-three million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 1597 2239 3194 4478 6388 7985 8956 11195 15970 22390 31940 44780 423697 847394 1694788 2118485 3575683 4236970 7151366 8473940 14302732 17878415 35756830 71513660 676644109 948657583 1353288218 1897315166 2706576436 3383220545 3794630332 4743287915 6766441090 9486575830 13532882180 18973151660 1515006160051 3030012320102 6060024640204 7575030800255 15150061600510 30300123201020