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30212041203123 = 3131017669977457
BaseRepresentation
bin1101101111010010010011…
…11110111101110110110011
310221222020120002121221101120
412313221021332331312303
512424443230021444443
6144131115314033323
76235514355025533
oct667511176756663
9127866502557346
1030212041203123
1196989446a639a
12347b367578843
1313b1ca22bb290
147663b07334c3
15375d4040c083
hex1b7a49fbddb3

30212041203123 has 16 divisors (see below), whose sum is σ = 43810911240096. Its totient is φ = 18407945894400.

The previous prime is 30212041203119. The next prime is 30212041203139. The reversal of 30212041203123 is 32130214021203.

It is not a de Polignac number, because 30212041203123 - 22 = 30212041203119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30212041203093 and 30212041203102.

It is not an unprimeable number, because it can be changed into a prime (30212041203173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834984790 + ... + 3834992667.

It is an arithmetic number, because the mean of its divisors is an integer number (2738181952506).

Almost surely, 230212041203123 is an apocalyptic number.

30212041203123 is a deficient number, since it is larger than the sum of its proper divisors (13598870036973).

30212041203123 is a wasteful number, since it uses less digits than its factorization.

30212041203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669977574.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30212041203123 its reverse (32130214021203), we get a palindrome (62342255224326).

The spelling of 30212041203123 in words is "thirty trillion, two hundred twelve billion, forty-one million, two hundred three thousand, one hundred twenty-three".

Divisors: 1 3 13 39 101 303 1313 3939 7669977457 23009932371 99709706941 299129120823 774667723157 2324003169471 10070680401041 30212041203123