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12507430306077 = 3271937282404893
BaseRepresentation
bin1011011000000001110011…
…1100001100000100011101
31122021200212022201110210100
42312000130330030010131
53114410204124243302
642333500102331313
72430426532314660
oct266003474140435
948250768643710
1012507430306077
113a9240a381223
1214a0035129b39
136c95a4036275
143135119716d7
1516a53101ad1c
hexb601cf0c11d

12507430306077 has 48 divisors (see below), whose sum is σ = 22321282821760. Its totient is φ = 6587941320576.

The previous prime is 12507430306057. The next prime is 12507430306093. The reversal of 12507430306077 is 77060303470521.

12507430306077 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 7 + 4 + 3 + 0 + 30 + 607 + 7 = 666.

It is not a de Polignac number, because 12507430306077 - 26 = 12507430306013 is a prime.

It is a super-2 number, since 2×125074303060772 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507430306057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141158158 + ... + 141246735.

Almost surely, 212507430306077 is an apocalyptic number.

It is an amenable number.

12507430306077 is a deficient number, since it is larger than the sum of its proper divisors (9813852515683).

12507430306077 is a wasteful number, since it uses less digits than its factorization.

12507430306077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282404962 (or 282404959 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

Adding to 12507430306077 its reverse (77060303470521), we get a palindrome (89567733776598).

The spelling of 12507430306077 in words is "twelve trillion, five hundred seven billion, four hundred thirty million, three hundred six thousand, seventy-seven".

Divisors: 1 3 7 9 19 21 37 57 63 111 133 171 259 333 399 703 777 1197 2109 2331 4921 6327 14763 44289 282404893 847214679 1976834251 2541644037 5365692967 5930502753 10448981041 16097078901 17791508259 31346943123 37559850769 48291236703 73142867287 94040829369 112679552307 198530639779 219428601861 338038656921 595591919337 658285805583 1389714478453 1786775758011 4169143435359 12507430306077