Search a number
-
+
30000313210 = 25738746447
BaseRepresentation
bin11011111100001010…
…000111001101111010
32212102202212211000111
4123330022013031322
5442420040010320
621440522454534
72111302312000
oct337412071572
985382784014
1030000313210
11117a543838a
12599306444a
132aa147482a
1416484caa70
15ba8b8ba5a
hex6fc28737a

30000313210 has 32 divisors (see below), whose sum is σ = 62974425600. Its totient is φ = 10285820496.

The previous prime is 30000313181. The next prime is 30000313241. The reversal of 30000313210 is 1231300003.

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, 4369794 + ... + 4376653.

It is an arithmetic number, because the mean of its divisors is an integer number (1967950800).

Almost surely, 230000313210 is an apocalyptic number.

30000313210 is an abundant number, since it is smaller than the sum of its proper divisors (32974112390).

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

30000313210 is an equidigital number, since it uses as much as digits as its factorization.

30000313210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746475 (or 8746461 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30000313210 its reverse (1231300003), we get a palindrome (31231613213).

The spelling of 30000313210 in words is "thirty billion, three hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 3430 8746447 17492894 43732235 61225129 87464470 122450258 306125645 428575903 612251290 857151806 2142879515 3000031321 4285759030 6000062642 15000156605 30000313210