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30012123011333 = 673300291485049
BaseRepresentation
bin1101101001011101111011…
…11011100101100100000101
310221021010112110021112122212
412310232331323211210011
512413204311442330313
6143455213505233205
76215206246315451
oct664567573454405
9127233473245585
1030012123011333
119621085030991
123448673332805
131399191c13538
1475a847469661
15370a3e2473a8
hex1b4bbdee5905

30012123011333 has 8 divisors (see below), whose sum is σ = 30057738711000. Its totient is φ = 29966510343168.

The previous prime is 30012123011309. The next prime is 30012123011359. The reversal of 30012123011333 is 33311032121003.

It can be written as a sum of positive squares in 4 ways, for example, as 2108193649444 + 27903929361889 = 1451962^2 + 5282417^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30012123011333 - 226 = 30012055902469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012123011299 and 30012123011308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012123011303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19466993 + ... + 20952041.

It is an arithmetic number, because the mean of its divisors is an integer number (3757217338875).

Almost surely, 230012123011333 is an apocalyptic number.

It is an amenable number.

30012123011333 is a deficient number, since it is larger than the sum of its proper divisors (45615699667).

30012123011333 is a wasteful number, since it uses less digits than its factorization.

30012123011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515751.

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

Adding to 30012123011333 its reverse (33311032121003), we get a palindrome (63323155132336).

The spelling of 30012123011333 in words is "thirty trillion, twelve billion, one hundred twenty-three million, eleven thousand, three hundred thirty-three".

Divisors: 1 673 30029 1485049 20209517 999437977 44594536421 30012123011333