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1000302130321 = 1376946317717
BaseRepresentation
bin11101000111001101010…
…01110011010010010001
310112121221202221020100221
432203212221303102101
5112342104321132241
62043311002113041
7132161263550314
oct16434651632221
93477852836327
101000302130321
1135625352497a
12141a471ab781
1373435a61190
14365b461297b
151b0480465d1
hexe8e6a73491

1000302130321 has 4 divisors (see below), whose sum is σ = 1077248448052. Its totient is φ = 923355812592.

The previous prime is 1000302130309. The next prime is 1000302130337. The reversal of 1000302130321 is 1230312030001.

1000302130321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171408420225 + 828893710096 = 414015^2 + 910436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000302130321 - 213 = 1000302122129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000302130295 and 1000302130304.

It is not an unprimeable number, because it can be changed into a prime (1000302130351) 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, 38473158846 + ... + 38473158871.

It is an arithmetic number, because the mean of its divisors is an integer number (269312112013).

Almost surely, 21000302130321 is an apocalyptic number.

It is an amenable number.

1000302130321 is a deficient number, since it is larger than the sum of its proper divisors (76946317731).

1000302130321 is an equidigital number, since it uses as much as digits as its factorization.

1000302130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76946317730.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000302130321 its reverse (1230312030001), we get a palindrome (2230614160322).

The spelling of 1000302130321 in words is "one trillion, three hundred two million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 13 76946317717 1000302130321