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12701930903 = 47478356503
BaseRepresentation
bin10111101010001100…
…00001010110010111
31012210012220221112022
423311012001112113
5202003143242103
65500222243355
7626523426344
oct136506012627
935705827468
1012701930903
1154289aa762
122565a2655b
1312756cba5c
14886d397cb
154e51c5138
hex2f5181597

12701930903 has 8 divisors (see below), whose sum is σ = 12975126528. Its totient is φ = 12428857944.

The previous prime is 12701930887. The next prime is 12701930909. The reversal of 12701930903 is 30903910721.

12701930903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12701930903 - 24 = 12701930887 is a prime.

It is a super-2 number, since 2×127019309032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701930909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196550 + ... + 253052.

It is an arithmetic number, because the mean of its divisors is an integer number (1621890816).

Almost surely, 212701930903 is an apocalyptic number.

12701930903 is a deficient number, since it is larger than the sum of its proper divisors (273195625).

12701930903 is an equidigital number, since it uses as much as digits as its factorization.

12701930903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61333.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 12701930903 in words is "twelve billion, seven hundred one million, nine hundred thirty thousand, nine hundred three".

Divisors: 1 47 4783 56503 224801 2655641 270253849 12701930903