Search a number
-
+
30013213312220 = 2251500660665611
BaseRepresentation
bin1101101001011111111101…
…11010110000010011011100
310221021020100102212120022012
412310233332322300103130
512413214030101442340
6143455514014210352
76215245255604315
oct664577672602334
9127236312776265
1030013213312220
1196215945210a6
1234489184b39b8
131399306a795a8
1475a90c1a160c
15370aa4d14565
hex1b4bfeeb04dc

30013213312220 has 12 divisors (see below), whose sum is σ = 63027747955704. Its totient is φ = 12005285324880.

The previous prime is 30013213312219. The next prime is 30013213312241. The reversal of 30013213312220 is 2221331231003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750330332786 + ... + 750330332825.

It is an arithmetic number, because the mean of its divisors is an integer number (5252312329642).

Almost surely, 230013213312220 is an apocalyptic number.

It is an amenable number.

30013213312220 is an abundant number, since it is smaller than the sum of its proper divisors (33014534643484).

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

30013213312220 is a wasteful number, since it uses less digits than its factorization.

30013213312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500660665620 (or 1500660665618 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30013213312220 its reverse (2221331231003), we get a palindrome (32234544543223).

The spelling of 30013213312220 in words is "thirty trillion, thirteen billion, two hundred thirteen million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1500660665611 3001321331222 6002642662444 7503303328055 15006606656110 30013213312220