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1402802101 is a prime number
BaseRepresentation
bin101001110011101…
…0000111110110101
310121202121201201101
41103213100332311
510333104131401
6351110530101
746522423021
oct12347207665
93552551641
101402802101
1165a932a88
12331966931
1319482001c
14d4441381
158324a101
hex539d0fb5

1402802101 has 2 divisors, whose sum is σ = 1402802102. Its totient is φ = 1402802100.

The previous prime is 1402802099. The next prime is 1402802119. The reversal of 1402802101 is 1012082041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777852100 + 624950001 = 27890^2 + 24999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402802101 - 21 = 1402802099 is a prime.

Together with 1402802099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402802161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701401050 + 701401051.

It is an arithmetic number, because the mean of its divisors is an integer number (701401051).

Almost surely, 21402802101 is an apocalyptic number.

It is an amenable number.

1402802101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402802101 is an equidigital number, since it uses as much as digits as its factorization.

1402802101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1402802101 is about 37453.9997997544. Note that the first 3 decimals coincide. The cubic root of 1402802101 is about 1119.4347969317.

Adding to 1402802101 its reverse (1012082041), we get a palindrome (2414884142).

The spelling of 1402802101 in words is "one billion, four hundred two million, eight hundred two thousand, one hundred one".