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550550601013 = 778650085859
BaseRepresentation
bin10000000001011110101…
…11110111110100110101
31221122001211002022110111
420000233113313310311
533010011423213023
61100530334023021
754530104616020
oct10005727676465
91848054068414
10550550601013
111a253a509206
128a84a347a71
133cbbbcab6ca
141c90ab1c1b7
15e4c39d900d
hex802f5f7d35

550550601013 has 4 divisors (see below), whose sum is σ = 629200686880. Its totient is φ = 471900515148.

The previous prime is 550550601011. The next prime is 550550601031. The reversal of 550550601013 is 310106055055.

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 550550601013 - 21 = 550550601011 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 (550550601011) 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, 39325042923 + ... + 39325042936.

It is an arithmetic number, because the mean of its divisors is an integer number (157300171720).

Almost surely, 2550550601013 is an apocalyptic number.

It is an amenable number.

550550601013 is a deficient number, since it is larger than the sum of its proper divisors (78650085867).

550550601013 is an equidigital number, since it uses as much as digits as its factorization.

550550601013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78650085866.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 550550601013 its reverse (310106055055), we get a palindrome (860656656068).

The spelling of 550550601013 in words is "five hundred fifty billion, five hundred fifty million, six hundred one thousand, thirteen".

Divisors: 1 7 78650085859 550550601013