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78050358585349 = 86731989990371
BaseRepresentation
bin10001101111110010000011…
…111001011110100000000101
3101020100112121200120100220121
4101233302003321132200011
540212234113244212344
6433555501214501541
722303644434410333
oct2157620371364005
9336315550510817
1078050358585349
1122961a7571a937
1289068232048b1
13347216a73b757
14153b92c2d8b53
15905407a33684
hex46fc83e5e805

78050358585349 has 4 divisors (see below), whose sum is σ = 78050449443040. Its totient is φ = 78050267727660.

The previous prime is 78050358585341. The next prime is 78050358585361. The reversal of 78050358585349 is 94358585305087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78050358585349 - 23 = 78050358585341 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 (78050358585341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44127867 + ... + 45862504.

It is an arithmetic number, because the mean of its divisors is an integer number (19512612360760).

Almost surely, 278050358585349 is an apocalyptic number.

It is an amenable number.

78050358585349 is a deficient number, since it is larger than the sum of its proper divisors (90857691).

78050358585349 is an equidigital number, since it uses as much as digits as its factorization.

78050358585349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90857690.

The product of its (nonzero) digits is 725760000, while the sum is 70.

The spelling of 78050358585349 in words is "seventy-eight trillion, fifty billion, three hundred fifty-eight million, five hundred eighty-five thousand, three hundred forty-nine".

Divisors: 1 867319 89990371 78050358585349