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30523023212142 = 23291209714501089
BaseRepresentation
bin1101111000010101100011…
…11101001011111001101110
311000001222020222010211101110
412330022301331023321232
513000042122420242032
6144530025553452450
76300133653343206
oct674126175137156
9130058228124343
1030523023212142
1197a88179625aa
12350b696871126
1314054023b5676
147774721c1406
1537de91ca47cc
hex1bc2b1f4be6e

30523023212142 has 32 divisors (see below), whose sum is σ = 63156307255200. Its totient is φ = 9822688985088.

The previous prime is 30523023212107. The next prime is 30523023212191. The reversal of 30523023212142 is 24121232032503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145667 + ... + 9355422.

It is an arithmetic number, because the mean of its divisors is an integer number (1973634601725).

Almost surely, 230523023212142 is an apocalyptic number.

30523023212142 is an abundant number, since it is smaller than the sum of its proper divisors (32633284043058).

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

30523023212142 is a wasteful number, since it uses less digits than its factorization.

30523023212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513220.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30523023212142 its reverse (24121232032503), we get a palindrome (54644255244645).

The spelling of 30523023212142 in words is "thirty trillion, five hundred twenty-three billion, twenty-three million, two hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 12097 24194 36291 72582 350813 701626 1052439 2104878 14501089 29002178 43503267 87006534 420531581 841063162 1261594743 2523189486 175419673633 350839347266 526259020899 1052518041798 5087170535357 10174341070714 15261511606071 30523023212142