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12617045734660 = 2251873336813821
BaseRepresentation
bin1011011110011010001010…
…0001110111010100000100
31122200011210121111012100121
42313212202201313110010
53123204202202002120
642500105113351324
72441360104142653
oct267464241672404
948604717435317
1012617045734660
11402494a434114
1214b9327108544
13706a22964303
1431894da4919a
1516d2e949b5aa
hexb79a2877504

12617045734660 has 24 divisors (see below), whose sum is σ = 26509942301976. Its totient is φ = 5044123768320.

The previous prime is 12617045734649. The next prime is 12617045734687. The reversal of 12617045734660 is 6643754071621.

It can be written as a sum of positive squares in 4 ways, for example, as 352019129344 + 12265026605316 = 593312^2 + 3502146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12617045734598 and 12617045734607.

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, 168369451 + ... + 168444370.

It is an arithmetic number, because the mean of its divisors is an integer number (1104580929249).

Almost surely, 212617045734660 is an apocalyptic number.

12617045734660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12617045734660 is an abundant number, since it is smaller than the sum of its proper divisors (13892896567316).

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

12617045734660 is a wasteful number, since it uses less digits than its factorization.

12617045734660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336815703 (or 336815701 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 12617045734660 in words is "twelve trillion, six hundred seventeen billion, forty-five million, seven hundred thirty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 1873 3746 7492 9365 18730 37460 336813821 673627642 1347255284 1684069105 3368138210 6736276420 630852286733 1261704573466 2523409146932 3154261433665 6308522867330 12617045734660