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30312300012312 = 23312713971546621
BaseRepresentation
bin1101110010001101000011…
…10111111110001100011000
310222022211100022021011002210
412321012201313332030120
512433114042300343222
6144245140044155120
76245664023606013
oct671064167761430
9128284308234083
1030312300012312
11972741313168a
123496887b38aa0
1313bb58c605c46
1476b1a1cc437a
1537875c21ad0c
hex1b91a1dfe318

30312300012312 has 64 divisors (see below), whose sum is σ = 76926927974400. Its totient is φ = 9952421028480.

The previous prime is 30312300012307. The next prime is 30312300012317. The reversal of 30312300012312 is 21321000321303.

It is an interprime number because it is at equal distance from previous prime (30312300012307) and next prime (30312300012317).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312300012317) 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, 35349639 + ... + 36196982.

It is an arithmetic number, because the mean of its divisors is an integer number (1201983249600).

Almost surely, 230312300012312 is an apocalyptic number.

It is an amenable number.

30312300012312 is an abundant number, since it is smaller than the sum of its proper divisors (46614627962088).

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

30312300012312 is a wasteful number, since it uses less digits than its factorization.

30312300012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71546896 (or 71546892 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30312300012312 its reverse (21321000321303), we get a palindrome (51633300333615).

The spelling of 30312300012312 in words is "thirty trillion, three hundred twelve billion, three hundred million, twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 127 139 254 278 381 417 508 556 762 834 1016 1112 1524 1668 3048 3336 17653 35306 52959 70612 105918 141224 211836 423672 71546621 143093242 214639863 286186484 429279726 572372968 858559452 1717118904 9086420867 9944980319 18172841734 19889960638 27259262601 29834940957 36345683468 39779921276 54518525202 59669881914 72691366936 79559842552 109037050404 119339763828 218074100808 238679527656 1263012500513 2526025001026 3789037501539 5052050002052 7578075003078 10104100004104 15156150006156 30312300012312