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1315020020079 = 3492798895067
BaseRepresentation
bin10011001000101101010…
…011010001100101101111
311122201022000011112022010
4103020231103101211233
5133021130111120304
62444040054452303
7164002264512363
oct23105523214557
94581260145263
101315020020079
11467773578627
12192a39664093
139700cb32a9c
144790c3012a3
1524317891789
hex1322d4d196f

1315020020079 has 8 divisors (see below), whose sum is σ = 1753395804160. Its totient is φ = 876662124696.

The previous prime is 1315020020077. The next prime is 1315020020089. The reversal of 1315020020079 is 9700200205131.

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

It is not a de Polignac number, because 1315020020079 - 21 = 1315020020077 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 (1315020020077) 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, 4299697 + ... + 4595370.

It is an arithmetic number, because the mean of its divisors is an integer number (219174475520).

Almost surely, 21315020020079 is an apocalyptic number.

1315020020079 is a deficient number, since it is larger than the sum of its proper divisors (438375784081).

1315020020079 is an equidigital number, since it uses as much as digits as its factorization.

1315020020079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944349.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 1315020020079 in words is "one trillion, three hundred fifteen billion, twenty million, twenty thousand, seventy-nine".

Divisors: 1 3 49279 147837 8895067 26685201 438340006693 1315020020079