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5050001881 is a prime number
BaseRepresentation
bin1001011010000000…
…01110100111011001
3111000221110200020201
410231000032213121
540320300030011
62153035022201
7236100210361
oct45500164731
914027420221
105050001881
11216165a181
12b8b29a961
13626317ac2
1435c9999a1
151e8531cc1
hex12d00e9d9

5050001881 has 2 divisors, whose sum is σ = 5050001882. Its totient is φ = 5050001880.

The previous prime is 5050001863. The next prime is 5050001893. The reversal of 5050001881 is 1881000505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3284321481 + 1765680400 = 57309^2 + 42020^2 .

It is a cyclic number.

It is not a de Polignac number, because 5050001881 - 229 = 4513130969 is a prime.

It is a super-2 number, since 2×50500018812 = 51005037996207076322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5050001981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525000940 + 2525000941.

It is an arithmetic number, because the mean of its divisors is an integer number (2525000941).

Almost surely, 25050001881 is an apocalyptic number.

It is an amenable number.

5050001881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050001881 is an equidigital number, since it uses as much as digits as its factorization.

5050001881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5050001881 is about 71063.3652524281. The cubic root of 5050001881 is about 1715.6571846349.

The spelling of 5050001881 in words is "five billion, fifty million, one thousand, eight hundred eighty-one".