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1397282802901 = 1795386246701
BaseRepresentation
bin10100010101010100100…
…010111000110011010101
311221120122001002212210021
4110111110202320303111
5140343113344143101
62545523003425141
7202643653600426
oct24252442706325
94846561085707
101397282802901
11499647795957
121a69772251b1
13a19bc9aba3b
144b8b37bb64d
152652e82e5a1
hex145548b8cd5

1397282802901 has 8 divisors (see below), whose sum is σ = 1481028366744. Its totient is φ = 1313709734400.

The previous prime is 1397282802887. The next prime is 1397282802911. The reversal of 1397282802901 is 1092082827931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 555524262225 + 841758540676 = 745335^2 + 917474^2 .

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

It is not a de Polignac number, because 1397282802901 - 215 = 1397282770133 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 (1397282802911) 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 7 ways as a sum of consecutive naturals, for example, 43107150 + ... + 43139551.

It is an arithmetic number, because the mean of its divisors is an integer number (185128545843).

Almost surely, 21397282802901 is an apocalyptic number.

It is an amenable number.

1397282802901 is a deficient number, since it is larger than the sum of its proper divisors (83745563843).

1397282802901 is an equidigital number, since it uses as much as digits as its factorization.

1397282802901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86247671.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 1397282802901 in words is "one trillion, three hundred ninety-seven billion, two hundred eighty-two million, eight hundred two thousand, nine hundred one".

Divisors: 1 17 953 16201 86246701 1466193917 82193106053 1397282802901