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7138222247501 = 313199711420041
BaseRepresentation
bin110011111011111111100…
…1100111000111001001101
3221021101222222111200011022
41213313333030320321031
51413423034343410001
623103130512003525
71334501541661502
oct147677714707115
927241888450138
107138222247501
112302337402744
129735282305a5
133ca192ab9967
141a96c56dd4a9
15c5a3530e11b
hex67dff338e4d

7138222247501 has 8 divisors (see below), whose sum is σ = 7164614589624. Its totient is φ = 7111852750080.

The previous prime is 7138222247479. The next prime is 7138222247531. The reversal of 7138222247501 is 1057422228317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2283136110025 + 4855086137476 = 1511005^2 + 2203426^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7138222247501 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 (7138222247531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084960 + ... + 6335081.

It is an arithmetic number, because the mean of its divisors is an integer number (895576823703).

Almost surely, 27138222247501 is an apocalyptic number.

It is an amenable number.

7138222247501 is a deficient number, since it is larger than the sum of its proper divisors (26392342123).

7138222247501 is a wasteful number, since it uses less digits than its factorization.

7138222247501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422351.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 7138222247501 in words is "seven trillion, one hundred thirty-eight billion, two hundred twenty-two million, two hundred forty-seven thousand, five hundred one".

Divisors: 1 313 1997 625061 11420041 3574472833 22805821877 7138222247501