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30020213232 = 24321712263159
BaseRepresentation
bin11011111101010110…
…000001100111110000
32212111011022211201100
4123331112001213300
5442440133310412
621442513204400
72111633413362
oct337526014760
985434284640
1030020213232
111180569a589
125999860700
132aa56215a9
14164adcad32
15baa7bcedc
hex6fd5819f0

30020213232 has 60 divisors (see below), whose sum is σ = 88956962640. Its totient is φ = 9418105344.

The previous prime is 30020213213. The next prime is 30020213273. The reversal of 30020213232 is 23231202003.

It is a happy number.

30020213232 is a `hidden beast` number, since 300 + 20 + 21 + 323 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6129132 + ... + 6134027.

It is an arithmetic number, because the mean of its divisors is an integer number (1482616044).

Almost surely, 230020213232 is an apocalyptic number.

It is an amenable number.

30020213232 is an abundant number, since it is smaller than the sum of its proper divisors (58936749408).

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

30020213232 is a wasteful number, since it uses less digits than its factorization.

30020213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263190 (or 12263181 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30020213232 its reverse (23231202003), we get a palindrome (53251415235).

The spelling of 30020213232 in words is "thirty billion, twenty million, two hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 12263159 24526318 36789477 49052636 73578954 98105272 110368431 147157908 196210544 208473703 220736862 294315816 416947406 441473724 588631632 625421109 833894812 882947448 1250842218 1667789624 1765894896 1876263327 2501684436 3335579248 3752526654 5003368872 7505053308 10006737744 15010106616 30020213232