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30012312310133 = 69674307781299
BaseRepresentation
bin1101101001011110010010…
…01101101101000101110101
310221021011000122110220210112
412310233021031231011311
512413210203422411013
6143455244350432405
76215214035323136
oct664571115550565
9127234018426715
1030012312310133
11962117197497a
123448706802705
1313991c21c1a6a
1475a864663c8d
15370a50b8aba8
hex1b4bc936d175

30012312310133 has 4 divisors (see below), whose sum is σ = 30016620098400. Its totient is φ = 30008004521868.

The previous prime is 30012312310109. The next prime is 30012312310159. The reversal of 30012312310133 is 33101321321003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30012312310133 - 214 = 30012312293749 is a prime.

It is a super-2 number, since 2×300123123101332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012312310099 and 30012312310108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012312310033) 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, 2153883683 + ... + 2153897616.

It is an arithmetic number, because the mean of its divisors is an integer number (7504155024600).

Almost surely, 230012312310133 is an apocalyptic number.

It is an amenable number.

30012312310133 is a deficient number, since it is larger than the sum of its proper divisors (4307788267).

30012312310133 is an equidigital number, since it uses as much as digits as its factorization.

30012312310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307788266.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30012312310133 its reverse (33101321321003), we get a palindrome (63113633631136).

The spelling of 30012312310133 in words is "thirty trillion, twelve billion, three hundred twelve million, three hundred ten thousand, one hundred thirty-three".

Divisors: 1 6967 4307781299 30012312310133