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80310013 = 740928051
BaseRepresentation
bin1001100100101…
…10111011111101
312121010011121221
410302112323331
5131024410023
611545153341
71663423660
oct462267375
9177104557
1080310013
1141373113
1222a8b851
131383b524
14a9476d7
1570b585d
hex4c96efd

80310013 has 8 divisors (see below), whose sum is σ = 92010560. Its totient is φ = 68666400.

The previous prime is 80310007. The next prime is 80310047. The reversal of 80310013 is 31001308.

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 80310013 - 217 = 80178941 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 (80310073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11163 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (11501320).

Almost surely, 280310013 is an apocalyptic number.

It is an amenable number.

80310013 is a deficient number, since it is larger than the sum of its proper divisors (11700547).

80310013 is a wasteful number, since it uses less digits than its factorization.

80310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28467.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 80310013 is about 8961.5854066119. The cubic root of 80310013 is about 431.4428062316.

It can be divided in two parts, 803 and 10013, that added together give a square (10816 = 1042).

The spelling of 80310013 in words is "eighty million, three hundred ten thousand, thirteen".

Divisors: 1 7 409 2863 28051 196357 11472859 80310013