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1310000141 = 2694869889
BaseRepresentation
bin100111000010101…
…0000010000001101
310101021222220100202
41032011100100031
510140330001031
6333553503245
744314550252
oct11605202015
93337886322
101310000141
1161250854a
12306871b25
1317b529918
14c5da5429
157a0182cb
hex4e15040d

1310000141 has 4 divisors (see below), whose sum is σ = 1314870300. Its totient is φ = 1305129984.

The previous prime is 1310000101. The next prime is 1310000149. The reversal of 1310000141 is 1410000131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410000131 = 3893624679.

It can be written as a sum of positive squares in 2 ways, for example, as 673194916 + 636805225 = 25946^2 + 25235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310000141 - 230 = 236258317 is a prime.

It is a super-2 number, since 2×13100001412 = 3432200738840039762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310000149) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2434676 + ... + 2435213.

It is an arithmetic number, because the mean of its divisors is an integer number (328717575).

Almost surely, 21310000141 is an apocalyptic number.

It is an amenable number.

1310000141 is a deficient number, since it is larger than the sum of its proper divisors (4870159).

1310000141 is an equidigital number, since it uses as much as digits as its factorization.

1310000141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870158.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1310000141 is about 36193.9240895485. The cubic root of 1310000141 is about 1094.1842206205.

Adding to 1310000141 its reverse (1410000131), we get a palindrome (2720000272).

The spelling of 1310000141 in words is "one billion, three hundred ten million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 269 4869889 1310000141