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7131136319 = 17509824123
BaseRepresentation
bin1101010010000110…
…01000000100111111
3200101222111020222222
412221003020010333
5104101032330234
63135340555555
7341500441616
oct65103100477
920358436888
107131136319
11302a38229a
121470252bbb
1389852b9b8
144b913487d
152bb0be42e
hex1a90c813f

7131136319 has 8 divisors (see below), whose sum is σ = 7565458320. Its totient is φ = 6698463616.

The previous prime is 7131136301. The next prime is 7131136343. The reversal of 7131136319 is 9136311317.

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

It is a cyclic number.

It is not a de Polignac number, because 7131136319 - 220 = 7130087743 is a prime.

It is a super-2 number, since 2×71311363192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131136399) 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, 403409 + ... + 420714.

It is an arithmetic number, because the mean of its divisors is an integer number (945682290).

Almost surely, 27131136319 is an apocalyptic number.

7131136319 is a deficient number, since it is larger than the sum of its proper divisors (434322001).

7131136319 is a wasteful number, since it uses less digits than its factorization.

7131136319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824649.

The product of its digits is 10206, while the sum is 35.

The square root of 7131136319 is about 84446.0556746140. The cubic root of 7131136319 is about 1924.8028195401.

The spelling of 7131136319 in words is "seven billion, one hundred thirty-one million, one hundred thirty-six thousand, three hundred nineteen".

Divisors: 1 17 509 8653 824123 14010091 419478607 7131136319