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12551521302102 = 2373179160091851
BaseRepresentation
bin1011011010100110000011…
…1101111111011001010110
31122102220200002201010211010
42312221200331333121112
53121121003423131402
642410031141353050
72433550253513616
oct266514075773126
948386602633733
1012551521302102
113aaa085615112
1214a869b108786
137007ac81a623
143156d55bca46
1516b761c4ea6c
hexb6a60f7f656

12551521302102 has 32 divisors (see below), whose sum is σ = 25589081623680. Its totient is φ = 4103474299200.

The previous prime is 12551521302097. The next prime is 12551521302127. The reversal of 12551521302102 is 20120312515521.

It is a super-3 number, since 3×125515213021023 (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12551521302102.

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, 79967524 + ... + 80124327.

It is an arithmetic number, because the mean of its divisors is an integer number (799658800740).

Almost surely, 212551521302102 is an apocalyptic number.

12551521302102 is an abundant number, since it is smaller than the sum of its proper divisors (13037560321578).

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

12551521302102 is a wasteful number, since it uses less digits than its factorization.

12551521302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160092108.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 12551521302102 its reverse (20120312515521), we get a palindrome (32671833817623).

The spelling of 12551521302102 in words is "twelve trillion, five hundred fifty-one billion, five hundred twenty-one million, three hundred two thousand, one hundred two".

Divisors: 1 2 3 6 73 146 179 219 358 438 537 1074 13067 26134 39201 78402 160091851 320183702 480275553 960551106 11686705123 23373410246 28656441329 35060115369 57312882658 70120230738 85969323987 171938647974 2091920217017 4183840434034 6275760651051 12551521302102