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1302313213021 = 54711027215909
BaseRepresentation
bin10010111100110111111…
…010101001110001011101
311121111111110001211221111
4102330313322221301131
5132314114140304041
62434135135502021
7163042351443562
oct22746772516135
94544443054844
101302313213021
11462342948397
12190492087911
1395a66417742
1447064896869
1523d22056981
hex12f37ea9c5d

1302313213021 has 8 divisors (see below), whose sum is σ = 1304818403040. Its totient is φ = 1299808477968.

The previous prime is 1302313213001. The next prime is 1302313213027. The reversal of 1302313213021 is 1203123132031.

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 1302313213021 - 29 = 1302313212509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302313212983 and 1302313213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302313213027) 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, 5923815 + ... + 6139723.

It is an arithmetic number, because the mean of its divisors is an integer number (163102300380).

Almost surely, 21302313213021 is an apocalyptic number.

It is an amenable number.

1302313213021 is a deficient number, since it is larger than the sum of its proper divisors (2505190019).

1302313213021 is a wasteful number, since it uses less digits than its factorization.

1302313213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227483.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1302313213021 its reverse (1203123132031), we get a palindrome (2505436345052).

The spelling of 1302313213021 in words is "one trillion, three hundred two billion, three hundred thirteen million, two hundred thirteen thousand, twenty-one".

Divisors: 1 547 11027 215909 6031769 118102223 2380828543 1302313213021