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30012123100213 = 196131257639117
BaseRepresentation
bin1101101001011101111011…
…11011111011010000110101
310221021010112110110001120201
412310232331323323100311
512413204312003201323
6143455213511200501
76215206250135542
oct664567573732065
9127233473401521
1030012123100213
119621085091741
123448673376131
131399191c44b27
1475a84748dbc9
15370a3e2638ad
hex1b4bbdefb435

30012123100213 has 8 divisors (see below), whose sum is σ = 31596861431520. Its totient is φ = 28427900059440.

The previous prime is 30012123100207. The next prime is 30012123100241. The reversal of 30012123100213 is 31200132121003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30012123100213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012123100243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128703070 + ... + 128936047.

It is an arithmetic number, because the mean of its divisors is an integer number (3949607678940).

Almost surely, 230012123100213 is an apocalyptic number.

It is an amenable number.

30012123100213 is a deficient number, since it is larger than the sum of its proper divisors (1584738331307).

30012123100213 is a wasteful number, since it uses less digits than its factorization.

30012123100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257645267.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30012123100213 its reverse (31200132121003), we get a palindrome (61212255221216).

The spelling of 30012123100213 in words is "thirty trillion, twelve billion, one hundred twenty-three million, one hundred thousand, two hundred thirteen".

Divisors: 1 19 6131 116489 257639117 4895143223 1579585426327 30012123100213