Search a number
-
+
12843998418511 = 136717982381379
BaseRepresentation
bin1011101011100111100111…
…1101101001011001001111
31200110212121100000002100001
42322321321331221121033
53140414002043343021
643152241301145131
72463643153134121
oct272717175513117
950425540002301
1012843998418511
1141021222a0647
1215353050bb1a7
13722250c08410
1432591d573211
1517417dc5b091
hexbae79f6964f

12843998418511 has 16 divisors (see below), whose sum is σ = 14116873276800. Its totient is φ = 11613797144928.

The previous prime is 12843998418431. The next prime is 12843998418553. The reversal of 12843998418511 is 11581489934821.

It is a cyclic number.

It is not a de Polignac number, because 12843998418511 - 211 = 12843998416463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843998418011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41034781 + ... + 41346598.

It is an arithmetic number, because the mean of its divisors is an integer number (882304579800).

Almost surely, 212843998418511 is an apocalyptic number.

12843998418511 is a deficient number, since it is larger than the sum of its proper divisors (1272874858289).

12843998418511 is a wasteful number, since it uses less digits than its factorization.

12843998418511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82381638.

The product of its digits is 19906560, while the sum is 64.

The spelling of 12843998418511 in words is "twelve trillion, eight hundred forty-three billion, nine hundred ninety-eight million, four hundred eighteen thousand, five hundred eleven".

Divisors: 1 13 67 179 871 2327 11993 155909 82381379 1070957927 5519552393 14746266841 71754181109 191701468933 987999878347 12843998418511