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12977914896189 = 321975894239159
BaseRepresentation
bin1011110011011010100000…
…0000011101111100111101
31200221200021012111000022200
42330312220000131330331
53200112232203134224
643333545524102113
72506423554331545
oct274665000357475
950850235430280
1012977914896189
1141539a2697391
121557259534939
13731a73309c59
1432c1c4c50325
151778ba8475c9
hexbcda801df3d

12977914896189 has 12 divisors (see below), whose sum is σ = 19732502181600. Its totient is φ = 8196577829064.

The previous prime is 12977914896181. The next prime is 12977914896197. The reversal of 12977914896189 is 98169841977921.

12977914896189 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 79 + 1 + 489 + 61 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (12977914896181) and next prime (12977914896197).

It is not a de Polignac number, because 12977914896189 - 23 = 12977914896181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977914896181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37947119409 + ... + 37947119750.

It is an arithmetic number, because the mean of its divisors is an integer number (1644375181800).

Almost surely, 212977914896189 is an apocalyptic number.

12977914896189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12977914896189 is a deficient number, since it is larger than the sum of its proper divisors (6754587285411).

12977914896189 is a wasteful number, since it uses less digits than its factorization.

12977914896189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75894239184 (or 75894239181 counting only the distinct ones).

The product of its digits is 987614208, while the sum is 81.

The spelling of 12977914896189 in words is "twelve trillion, nine hundred seventy-seven billion, nine hundred fourteen million, eight hundred ninety-six thousand, one hundred eighty-nine".

Divisors: 1 3 9 19 57 171 75894239159 227682717477 683048152431 1441990544021 4325971632063 12977914896189