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12631607132644 = 2269771171738629
BaseRepresentation
bin1011011111010000011001…
…1101001100000111100100
31122201120101102022212012001
42313310012131030013210
53123424012411221034
642510514042535044
72442414000034213
oct267640635140744
948646342285161
1012631607132644
114030041a14a25
12150010b807484
13708203674636
143195318db07a
1516d89ca24a14
hexb7d0674c1e4

12631607132644 has 24 divisors (see below), whose sum is σ = 22110940043640. Its totient is φ = 6314195920896.

The previous prime is 12631607132633. The next prime is 12631607132689. The reversal of 12631607132644 is 44623170613621.

12631607132644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2284692710400 + 10346914422244 = 1511520^2 + 3216662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12631607132594 and 12631607132603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326978722 + ... + 327017350.

It is an arithmetic number, because the mean of its divisors is an integer number (921289168485).

Almost surely, 212631607132644 is an apocalyptic number.

It is an amenable number.

12631607132644 is a deficient number, since it is larger than the sum of its proper divisors (9479332910996).

12631607132644 is a wasteful number, since it uses less digits than its factorization.

12631607132644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57327 (or 57325 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 12631607132644 in words is "twelve trillion, six hundred thirty-one billion, six hundred seven million, one hundred thirty-two thousand, six hundred forty-four".

Divisors: 1 2 4 6977 11717 13954 23434 27908 38629 46868 77258 154516 81749509 163499018 269514533 326998036 452615993 539029066 905231986 1078058132 1810463972 3157901783161 6315803566322 12631607132644