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1320502540105 = 5737728644003
BaseRepresentation
bin10011001101110100000…
…101011011011101001001
311200020110002111101220101
4103031310011123131021
5133113342122240410
62450344104125401
7164255166251650
oct23156405333511
94606402441811
101320502540105
1146a027293011
12193b09766861
13976a4936388
1447cac4c8197
1524538d5bd3a
hex1337415b749

1320502540105 has 8 divisors (see below), whose sum is σ = 1810974912192. Its totient is φ = 905487456048.

The previous prime is 1320502540103. The next prime is 1320502540109. The reversal of 1320502540105 is 5010452050231.

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

It is not a de Polignac number, because 1320502540105 - 21 = 1320502540103 is a prime.

It is a super-2 number, since 2×13205025401052 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320502540103) 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, 18864321967 + ... + 18864322036.

It is an arithmetic number, because the mean of its divisors is an integer number (226371864024).

Almost surely, 21320502540105 is an apocalyptic number.

It is an amenable number.

1320502540105 is a deficient number, since it is larger than the sum of its proper divisors (490472372087).

1320502540105 is an equidigital number, since it uses as much as digits as its factorization.

1320502540105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37728644015.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 1320502540105 its reverse (5010452050231), we get a palindrome (6330954590336).

The spelling of 1320502540105 in words is "one trillion, three hundred twenty billion, five hundred two million, five hundred forty thousand, one hundred five".

Divisors: 1 5 7 35 37728644003 188643220015 264100508021 1320502540105