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1021012131313 = 14712599726699
BaseRepresentation
bin11101101101110010001…
…00001011110111110001
310121121102002110021212201
432312321010023313301
5113212013101200223
62101014013223201
7133523426631046
oct16667104136761
93547362407781
101021012131313
11364010804179
12145a66a91b01
137538656a335
14375bad171cd
151b85b2acead
hexedb910bdf1

1021012131313 has 8 divisors (see below), whose sum is σ = 1021783795200. Its totient is φ = 1020240575760.

The previous prime is 1021012131283. The next prime is 1021012131371. The reversal of 1021012131313 is 3131312101201.

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 1021012131313 - 25 = 1021012131281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021012135313) 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 7 ways as a sum of consecutive naturals, for example, 38228238 + ... + 38254936.

It is an arithmetic number, because the mean of its divisors is an integer number (127722974400).

Almost surely, 21021012131313 is an apocalyptic number.

It is an amenable number.

1021012131313 is a deficient number, since it is larger than the sum of its proper divisors (771663887).

1021012131313 is a wasteful number, since it uses less digits than its factorization.

1021012131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54167.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1021012131313 its reverse (3131312101201), we get a palindrome (4152324232514).

The spelling of 1021012131313 in words is "one trillion, twenty-one billion, twelve million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 1471 25997 26699 38241587 39274229 694093903 1021012131313