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30102310112012 = 2217487908995957
BaseRepresentation
bin1101101100000101111011…
…00000000100101100001100
310221120202022202012221122222
412312002331200010230030
512421144012342041022
6144004451011554512
76224551210113155
oct666027540045414
9127522282187588
1030102310112012
119656355324536
1234620428bba38
1313a4835724678
14760d6114c92c
1537306bc31242
hex1b60bd804b0c

30102310112012 has 24 divisors (see below), whose sum is σ = 55892343465504. Its totient is φ = 14136705107712.

The previous prime is 30102310111997. The next prime is 30102310112033. The reversal of 30102310112012 is 21021101320103.

It is a super-2 number, since 2×301023101120122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 454464863 + ... + 454531094.

It is an arithmetic number, because the mean of its divisors is an integer number (2328847644396).

Almost surely, 230102310112012 is an apocalyptic number.

It is an amenable number.

30102310112012 is a deficient number, since it is larger than the sum of its proper divisors (25790033353492).

30102310112012 is a wasteful number, since it uses less digits than its factorization.

30102310112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908996465 (or 908996463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30102310112012 its reverse (21021101320103), we get a palindrome (51123411432115).

The spelling of 30102310112012 in words is "thirty trillion, one hundred two billion, three hundred ten million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 17 34 68 487 974 1948 8279 16558 33116 908995957 1817991914 3635983828 15452931269 30905862538 61811725076 442681031059 885362062118 1770724124236 7525577528003 15051155056006 30102310112012