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1300143101 = 3174140961
BaseRepresentation
bin100110101111110…
…1001101111111101
310100121110010001012
41031133221233331
510130314034401
6333002325005
744135014445
oct11537515775
93317403035
101300143101
11607995834
123034b9765
1317948815a
14c495b125
157921c8bb
hex4d7e9bfd

1300143101 has 4 divisors (see below), whose sum is σ = 1300215804. Its totient is φ = 1300070400.

The previous prime is 1300143079. The next prime is 1300143113. The reversal of 1300143101 is 1013410031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1066022500 + 234120601 = 32650^2 + 15301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1300143101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300143121) 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, 11261 + ... + 52221.

It is an arithmetic number, because the mean of its divisors is an integer number (325053951).

Almost surely, 21300143101 is an apocalyptic number.

It is an amenable number.

1300143101 is a deficient number, since it is larger than the sum of its proper divisors (72703).

1300143101 is an equidigital number, since it uses as much as digits as its factorization.

1300143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72702.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1300143101 is about 36057.4971538514. The cubic root of 1300143101 is about 1091.4329275951.

Adding to 1300143101 its reverse (1013410031), we get a palindrome (2313553132).

The spelling of 1300143101 in words is "one billion, three hundred million, one hundred forty-three thousand, one hundred one".

Divisors: 1 31741 40961 1300143101