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12852436805 = 513673079613
BaseRepresentation
bin10111111100001000…
…01001111101000101
31020011201010102210222
423332010021331011
5202310210434210
65523200154125
7633331624145
oct137604117505
936151112728
1012852436805
1154a5957aaa
1225a8308945
13129a946cc0
1489cd16925
15503504655
hex2fe109f45

12852436805 has 32 divisors (see below), whose sum is σ = 16913871744. Its totient is φ = 9317949696.

The previous prime is 12852436789. The next prime is 12852436811. The reversal of 12852436805 is 50863425821.

It is a cyclic number.

It is not a de Polignac number, because 12852436805 - 24 = 12852436789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332179 + ... + 1341791.

It is an arithmetic number, because the mean of its divisors is an integer number (528558492).

Almost surely, 212852436805 is an apocalyptic number.

It is an amenable number.

12852436805 is a deficient number, since it is larger than the sum of its proper divisors (4061434939).

12852436805 is a wasteful number, since it uses less digits than its factorization.

12852436805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 12852436805 in words is "twelve billion, eight hundred fifty-two million, four hundred thirty-six thousand, eight hundred five".

Divisors: 1 5 13 65 67 307 335 871 1535 3991 4355 9613 19955 20569 48065 102845 124969 267397 624845 644071 1336985 2951191 3220355 8372923 14755955 38365483 41864615 191827415 197729797 988648985 2570487361 12852436805