Search a number
-
+
30030112123222 = 215015056061611
BaseRepresentation
bin1101101001111111011100…
…01010100110100101010110
310221022211222010222010000011
412310333232022212211112
512414003132200420342
6143511350522310434
76216414113252011
oct664775612464526
9127284863863004
1030030112123222
119628776456a02
12345005395841a
13139aa9ab00c43
1475b672660378
1537124369e717
hex1b4fee2a6956

30030112123222 has 4 divisors (see below), whose sum is σ = 45045168184836. Its totient is φ = 15015056061610.

The previous prime is 30030112123217. The next prime is 30030112123229. The reversal of 30030112123222 is 22232121103003.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×300301121232222 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30030112123193 and 30030112123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030112123229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507528030804 + ... + 7507528030807.

It is an arithmetic number, because the mean of its divisors is an integer number (11261292046209).

Almost surely, 230030112123222 is an apocalyptic number.

30030112123222 is a deficient number, since it is larger than the sum of its proper divisors (15015056061614).

30030112123222 is a wasteful number, since it uses less digits than its factorization.

30030112123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015056061613.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30030112123222 its reverse (22232121103003), we get a palindrome (52262233226225).

The spelling of 30030112123222 in words is "thirty trillion, thirty billion, one hundred twelve million, one hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 15015056061611 30030112123222