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30023203012 = 22113831781581
BaseRepresentation
bin11011111101100001…
…011011100011000100
32212111100221201220221
4123331201123203010
5442441414444022
621443101234124
72112001005055
oct337541334304
985440851827
1030023203012
1111807351880
12599a862944
132aa612a3aa
14164b56872c
15baabadcc7
hex6fd85b8c4

30023203012 has 24 divisors (see below), whose sum is σ = 57466708992. Its totient is φ = 13611271200.

The previous prime is 30023202997. The next prime is 30023203061. The reversal of 30023203012 is 21030232003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873939 + ... + 907642.

It is an arithmetic number, because the mean of its divisors is an integer number (2394446208).

Almost surely, 230023203012 is an apocalyptic number.

It is an amenable number.

30023203012 is a deficient number, since it is larger than the sum of its proper divisors (27443505980).

30023203012 is a wasteful number, since it uses less digits than its factorization.

30023203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781979 (or 1781977 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30023203012 its reverse (21030232003), we get a palindrome (51053435015).

The spelling of 30023203012 in words is "thirty billion, twenty-three million, two hundred three thousand, twelve".

Divisors: 1 2 4 11 22 44 383 766 1532 4213 8426 16852 1781581 3563162 7126324 19597391 39194782 78389564 682345523 1364691046 2729382092 7505800753 15011601506 30023203012