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30012202122223 = 239125574067457
BaseRepresentation
bin1101101001011110000101…
…01001010111101111101111
310221021010201222010210101211
412310233002221113233233
512413204442220402343
6143455225413015251
76215211226616446
oct664570251275757
9127233658123354
1030012202122223
119621115755092
123448695924527
1313991a5422009
1475a853b7dd5d
15370a4617279d
hex1b4bc2a57bef

30012202122223 has 4 divisors (see below), whose sum is σ = 30137776189920. Its totient is φ = 29886628054528.

The previous prime is 30012202122173. The next prime is 30012202122271. The reversal of 30012202122223 is 32222120221003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30012202122223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012202122194 and 30012202122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012202122283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62787033490 + ... + 62787033967.

It is an arithmetic number, because the mean of its divisors is an integer number (7534444047480).

Almost surely, 230012202122223 is an apocalyptic number.

30012202122223 is a deficient number, since it is larger than the sum of its proper divisors (125574067697).

30012202122223 is a wasteful number, since it uses less digits than its factorization.

30012202122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125574067696.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30012202122223 its reverse (32222120221003), we get a palindrome (62234322343226).

The spelling of 30012202122223 in words is "thirty trillion, twelve billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 239 125574067457 30012202122223