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7012111211101 = 13757095097089
BaseRepresentation
bin110011000001010001001…
…1001011101101001011101
3220211100111002100020200101
41212002202121131221131
51404341300432223401
622525152554501101
71322415436601443
oct146024231355135
926740432306611
107012111211101
112263901a78517
12952bb1a34791
133bb31582a829
141a3560922b93
15c2603adb101
hex660a265da5d

7012111211101 has 4 divisors (see below), whose sum is σ = 7012117683900. Its totient is φ = 7012104738304.

The previous prime is 7012111211089. The next prime is 7012111211111. The reversal of 7012111211101 is 1011121112107.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 495297843076 + 6516813368025 = 703774^2 + 2552805^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012111211101 - 233 = 7003521276509 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 (7012111211111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172836 + ... + 3924253.

It is an arithmetic number, because the mean of its divisors is an integer number (1753029420975).

Almost surely, 27012111211101 is an apocalyptic number.

It is an amenable number.

7012111211101 is a deficient number, since it is larger than the sum of its proper divisors (6472799).

7012111211101 is a wasteful number, since it uses less digits than its factorization.

7012111211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472798.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 7012111211101 its reverse (1011121112107), we get a palindrome (8023232323208).

The spelling of 7012111211101 in words is "seven trillion, twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred one".

Divisors: 1 1375709 5097089 7012111211101