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1302142003 = 4727705149
BaseRepresentation
bin100110110011101…
…0001110000110011
310100202012200000121
41031213101300303
510131322021003
6333113231111
744161011241
oct11547216063
93322180017
101302142003
11609030618
12304102497
13179a07c36
14c4d1b791
15794b4cbd
hex4d9d1c33

1302142003 has 4 divisors (see below), whose sum is σ = 1329847200. Its totient is φ = 1274436808.

The previous prime is 1302141989. The next prime is 1302142019. The reversal of 1302142003 is 3002412031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002412031 = 3196852001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1302142003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302142063) 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, 13852528 + ... + 13852621.

It is an arithmetic number, because the mean of its divisors is an integer number (332461800).

Almost surely, 21302142003 is an apocalyptic number.

1302142003 is a deficient number, since it is larger than the sum of its proper divisors (27705197).

1302142003 is an equidigital number, since it uses as much as digits as its factorization.

1302142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27705196.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1302142003 is about 36085.2047659425. The cubic root of 1302142003 is about 1091.9919815299.

Adding to 1302142003 its reverse (3002412031), we get a palindrome (4304554034).

The spelling of 1302142003 in words is "one billion, three hundred two million, one hundred forty-two thousand, three".

Divisors: 1 47 27705149 1302142003