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7385320135841 = 20070133679757
BaseRepresentation
bin110101101111000011101…
…1000100001110010100001
3222011000210122202222111112
41223132013120201302201
51432000113423321331
623412434053153105
71361400055244354
oct153360730416241
928130718688445
107385320135841
1123981077554aa
129b33a892b795
134175818488cb
141b764690a29b
15cc19846d32b
hex6b787621ca1

7385320135841 has 4 divisors (see below), whose sum is σ = 7385325822612. Its totient is φ = 7385314449072.

The previous prime is 7385320135829. The next prime is 7385320135861. The reversal of 7385320135841 is 1485310235837.

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 5138364105616 + 2246956030225 = 2266796^2 + 1498985^2 .

It is a cyclic number.

It is not a de Polignac number, because 7385320135841 - 26 = 7385320135777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7385320135841.

It is not an unprimeable number, because it can be changed into a prime (7385320135861) 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, 167135 + ... + 3846891.

It is an arithmetic number, because the mean of its divisors is an integer number (1846331455653).

Almost surely, 27385320135841 is an apocalyptic number.

It is an amenable number.

7385320135841 is a deficient number, since it is larger than the sum of its proper divisors (5686771).

7385320135841 is a wasteful number, since it uses less digits than its factorization.

7385320135841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686770.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 7385320135841 in words is "seven trillion, three hundred eighty-five billion, three hundred twenty million, one hundred thirty-five thousand, eight hundred forty-one".

Divisors: 1 2007013 3679757 7385320135841