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1310130202 = 2655065101
BaseRepresentation
bin100111000010111…
…0000000000011010
310101022020111202211
41032011300000122
510140343131302
6334000345334
744315631403
oct11605600032
93338214684
101310130202
11612597237
1230691524a
1317b573b94
14c5dda9aa
157a041ad7
hex4e17001a

1310130202 has 4 divisors (see below), whose sum is σ = 1965195306. Its totient is φ = 655065100.

The previous prime is 1310130193. The next prime is 1310130229. The reversal of 1310130202 is 2020310131.

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

It can be written as a sum of positive squares in only one way, i.e., 1166154201 + 143976001 = 34149^2 + 11999^2 .

It is a super-2 number, since 2×13101302022 = 3432882292385121608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327532549 + ... + 327532552.

Almost surely, 21310130202 is an apocalyptic number.

1310130202 is a deficient number, since it is larger than the sum of its proper divisors (655065104).

1310130202 is an equidigital number, since it uses as much as digits as its factorization.

1310130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655065103.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310130202 is about 36195.7207691738. The cubic root of 1310130202 is about 1094.2204307908.

Adding to 1310130202 its reverse (2020310131), we get a palindrome (3330440333).

The spelling of 1310130202 in words is "one billion, three hundred ten million, one hundred thirty thousand, two hundred two".

Divisors: 1 2 655065101 1310130202