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13146420943605 = 3531151187230947
BaseRepresentation
bin1011111101001110001111…
…0000000001101011110101
31201112210012200100010202210
42333103203300001223311
53210342332230143410
643543214333324033
72524540365160035
oct277234360015365
951483180303683
1013146420943605
1142094029948a4
121583a45936619
137449188ab511
1433640c3198c5
1517be7de40220
hexbf4e3c01af5

13146420943605 has 32 divisors (see below), whose sum is σ = 21856591945728. Its totient is φ = 6740314056000.

The previous prime is 13146420943603. The next prime is 13146420943609. The reversal of 13146420943605 is 50634902464131.

It is not a de Polignac number, because 13146420943605 - 21 = 13146420943603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146420943603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93545259 + ... + 93685688.

It is an arithmetic number, because the mean of its divisors is an integer number (683018498304).

Almost surely, 213146420943605 is an apocalyptic number.

13146420943605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13146420943605 is a deficient number, since it is larger than the sum of its proper divisors (8710171002123).

13146420943605 is a wasteful number, since it uses less digits than its factorization.

13146420943605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187231137.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 13146420943605 in words is "thirteen trillion, one hundred forty-six billion, four hundred twenty million, nine hundred forty-three thousand, six hundred five".

Divisors: 1 3 5 15 31 93 151 155 453 465 755 2265 4681 14043 23405 70215 187230947 561692841 936154735 2808464205 5804159357 17412478071 28271872997 29020796785 84815618991 87062390355 141359364985 424078094955 876428062907 2629284188721 4382140314535 13146420943605