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1302202131001 = 1776600125353
BaseRepresentation
bin10010111100110001010…
…010111010001000111001
311121111012201001022001121
4102330301102322020321
5132313402221143001
62434120130545241
7163036532324362
oct22746122721071
94544181038047
101302202131001
11462296177872
12190460a38221
1395a493c3a35
1447053c1cb69
1523d174136a1
hex12f314ba239

1302202131001 has 4 divisors (see below), whose sum is σ = 1378802256372. Its totient is φ = 1225602005632.

The previous prime is 1302202130917. The next prime is 1302202131007. The reversal of 1302202131001 is 1001312022031.

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 770322182400 + 531879948601 = 877680^2 + 729301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302202131001 - 223 = 1302193742393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302202131007) 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, 38300062660 + ... + 38300062693.

It is an arithmetic number, because the mean of its divisors is an integer number (344700564093).

Almost surely, 21302202131001 is an apocalyptic number.

It is an amenable number.

1302202131001 is a deficient number, since it is larger than the sum of its proper divisors (76600125371).

1302202131001 is an equidigital number, since it uses as much as digits as its factorization.

1302202131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76600125370.

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

Adding to 1302202131001 its reverse (1001312022031), we get a palindrome (2303514153032).

The spelling of 1302202131001 in words is "one trillion, three hundred two billion, two hundred two million, one hundred thirty-one thousand, one".

Divisors: 1 17 76600125353 1302202131001