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30013210203012 = 2232833700283417
BaseRepresentation
bin1101101001011111111101…
…01110111001001110000100
310221021020100020000121021100
412310233332232321032010
512413214023302444022
6143455513423420100
76215245220304501
oct664577656711604
9127236306017240
1030013210203012
119621592798103
123448917454630
13139930622b31a
1475a90b9d24a8
15370aa48ed1ac
hex1b4bfebb9384

30013210203012 has 18 divisors (see below), whose sum is σ = 75866725791038. Its totient is φ = 10004403400992.

The previous prime is 30013210202971. The next prime is 30013210203017. The reversal of 30013210203012 is 21030201231003.

30013210203012 is a `hidden beast` number, since 300 + 1 + 32 + 10 + 20 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29890013414976 + 123196788036 = 5467176^2 + 350994^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30013210203017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416850141673 + ... + 416850141744.

Almost surely, 230013210203012 is an apocalyptic number.

It is an amenable number.

30013210203012 is an abundant number, since it is smaller than the sum of its proper divisors (45853515588026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30013210203012 is a wasteful number, since it uses less digits than its factorization.

30013210203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833700283427 (or 833700283422 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30013210203012 its reverse (21030201231003), we get a palindrome (51043411434015).

The spelling of 30013210203012 in words is "thirty trillion, thirteen billion, two hundred ten million, two hundred three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 833700283417 1667400566834 2501100850251 3334801133668 5002201700502 7503302550753 10004403401004 15006605101506 30013210203012