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2116565139470 = 25211656513947
BaseRepresentation
bin11110110011001101000…
…111010000000000001110
321111100020001201110121212
4132303031013100000032
5234134211133430340
64300200412254422
7305626312561565
oct36631507200016
97440201643555
102116565139470
117466a292a3a1
122a2255471412
1312478bc3b492
1474629952bdc
153a0cb641a65
hex1eccd1d000e

2116565139470 has 8 divisors (see below), whose sum is σ = 3809817251064. Its totient is φ = 846626055784.

The previous prime is 2116565139457. The next prime is 2116565139571. The reversal of 2116565139470 is 749315656112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105828256964 + ... + 105828256983.

It is an arithmetic number, because the mean of its divisors is an integer number (476227156383).

Almost surely, 22116565139470 is an apocalyptic number.

2116565139470 is a deficient number, since it is larger than the sum of its proper divisors (1693252111594).

2116565139470 is a wasteful number, since it uses less digits than its factorization.

2116565139470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211656513954.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 2116565139470 in words is "two trillion, one hundred sixteen billion, five hundred sixty-five million, one hundred thirty-nine thousand, four hundred seventy".

Divisors: 1 2 5 10 211656513947 423313027894 1058282569735 2116565139470