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30012201032123 = 52474695719367
BaseRepresentation
bin1101101001011110000101…
…00101001101100110111011
310221021010201220002102001202
412310233002211031212323
512413204441431011443
6143455225333404415
76215211214426352
oct664570245154673
9127233656072052
1030012201032123
119621115080082
12344869549970b
1313991a512ca9b
1475a853978999
15370a460097b8
hex1b4bc294d9bb

30012201032123 has 4 divisors (see below), whose sum is σ = 30012211998960. Its totient is φ = 30012190065288.

The previous prime is 30012201032119. The next prime is 30012201032131. The reversal of 30012201032123 is 32123010221003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30012201032123 - 22 = 30012201032119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012201032095 and 30012201032104.

It is not an unprimeable number, because it can be changed into a prime (30012201032113) 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, 2387786 + ... + 8107152.

It is an arithmetic number, because the mean of its divisors is an integer number (7503052999740).

Almost surely, 230012201032123 is an apocalyptic number.

30012201032123 is a deficient number, since it is larger than the sum of its proper divisors (10966837).

30012201032123 is an equidigital number, since it uses as much as digits as its factorization.

30012201032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966836.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30012201032123 its reverse (32123010221003), we get a palindrome (62135211253126).

The spelling of 30012201032123 in words is "thirty trillion, twelve billion, two hundred one million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 5247469 5719367 30012201032123