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30012121303303 = 279710730111299
BaseRepresentation
bin1101101001011101111011…
…10101000100100100000111
310221021010112100001202200111
412310232331311010210013
512413204311023201203
6143455213404453451
76215206225642666
oct664567565044407
9127233470052614
1030012121303303
119621084074697
12344867284a287
131399191765c79
1475a847142ddd
15370a3e00b26d
hex1b4bbdd44907

30012121303303 has 4 divisors (see below), whose sum is σ = 30022851417400. Its totient is φ = 30001391189208.

The previous prime is 30012121303301. The next prime is 30012121303321. The reversal of 30012121303303 is 30330312121003.

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

It is a cyclic number.

It is not a de Polignac number, because 30012121303303 - 21 = 30012121303301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012121303301) 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, 5365052853 + ... + 5365058446.

It is an arithmetic number, because the mean of its divisors is an integer number (7505712854350).

Almost surely, 230012121303303 is an apocalyptic number.

30012121303303 is a deficient number, since it is larger than the sum of its proper divisors (10730114097).

30012121303303 is a wasteful number, since it uses less digits than its factorization.

30012121303303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730114096.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30012121303303 its reverse (30330312121003), we get a palindrome (60342433424306).

The spelling of 30012121303303 in words is "thirty trillion, twelve billion, one hundred twenty-one million, three hundred three thousand, three hundred three".

Divisors: 1 2797 10730111299 30012121303303