Search a number
-
+
30020123222 = 247319363013
BaseRepresentation
bin11011111101010101…
…101011101001010110
32212111011011021020122
4123331111223221112
5442440122420342
621442511231542
72111632560065
oct337525535126
985434137218
1030020123222
11118056389a1
1259998185b2
132aa55bc62b
14164ada61dc
15baa7a14d2
hex6fd56ba56

30020123222 has 8 divisors (see below), whose sum is σ = 45988274016. Its totient is φ = 14690698552.

The previous prime is 30020123209. The next prime is 30020123249. The reversal of 30020123222 is 22232102003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×300201232222 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30020123222.

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, 159681413 + ... + 159681600.

It is an arithmetic number, because the mean of its divisors is an integer number (5748534252).

Almost surely, 230020123222 is an apocalyptic number.

30020123222 is a deficient number, since it is larger than the sum of its proper divisors (15968150794).

30020123222 is a wasteful number, since it uses less digits than its factorization.

30020123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319363062.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30020123222 its reverse (22232102003), we get a palindrome (52252225225).

The spelling of 30020123222 in words is "thirty billion, twenty million, one hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 47 94 319363013 638726026 15010061611 30020123222