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30502212552012 = 2232987650036069
BaseRepresentation
bin1101110111101110110011…
…00010110100010101001100
310222222222112122012202111110
412323313121202310111030
512444222012403131022
6144512304545052020
76265466155553535
oct673673142642514
9128888478182443
1030502212552012
11979aa08881633
123507649327010
131403466a949a6
1477645a39768c
1537d674ca800c
hex1bbdd98b454c

30502212552012 has 24 divisors (see below), whose sum is σ = 73626030298800. Its totient is φ = 9816804039616.

The previous prime is 30502212552011. The next prime is 30502212552023. The reversal of 30502212552012 is 21025521220503.

It is not an unprimeable number, because it can be changed into a prime (30502212552011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43825017687 + ... + 43825018382.

It is an arithmetic number, because the mean of its divisors is an integer number (3067751262450).

Almost surely, 230502212552012 is an apocalyptic number.

It is an amenable number.

30502212552012 is an abundant number, since it is smaller than the sum of its proper divisors (43123817746788).

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

30502212552012 is a wasteful number, since it uses less digits than its factorization.

30502212552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87650036105 (or 87650036103 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 30502212552012 its reverse (21025521220503), we get a palindrome (51527733772515).

The spelling of 30502212552012 in words is "thirty trillion, five hundred two billion, two hundred twelve million, five hundred fifty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 87650036069 175300072138 262950108207 350600144276 525900216414 1051800432828 2541851046001 5083702092002 7625553138003 10167404184004 15251106276006 30502212552012