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12000701557 = 131754301817
BaseRepresentation
bin10110010110100110…
…00010110001110101
31010222100102210201001
423023103002301311
5144034134422212
65302452403301
7603250165045
oct131323026165
933870383631
1012000701557
1150a90a0779
1223ab016531
13119334bc50
1481bb61725
154a385d657
hex2cb4c2c75

12000701557 has 8 divisors (see below), whose sum is σ = 13684058136. Its totient is φ = 10425948672.

The previous prime is 12000701521. The next prime is 12000701597. The reversal of 12000701557 is 75510700021.

12000701557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4367359396 + 7633342161 = 66086^2 + 87369^2 .

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 12000701557 - 27 = 12000701429 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 (12000701507) 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, 27150688 + ... + 27151129.

It is an arithmetic number, because the mean of its divisors is an integer number (1710507267).

Almost surely, 212000701557 is an apocalyptic number.

12000701557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12000701557 is a deficient number, since it is larger than the sum of its proper divisors (1683356579).

12000701557 is a wasteful number, since it uses less digits than its factorization.

12000701557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54301847.

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 12000701557 in words is "twelve billion, seven hundred one thousand, five hundred fifty-seven".

Divisors: 1 13 17 221 54301817 705923621 923130889 12000701557