Search a number
-
+
4154871977 is a prime number
BaseRepresentation
bin1111011110100110…
…0101000010101001
3101201120010100212022
43313221211002221
532002121400402
61524141154225
7204650554244
oct36751450251
911646110768
104154871977
1118423538a3
1297b55b975
13512a38039
142b5b4a25b
15194b682a2
hexf7a650a9

4154871977 has 2 divisors, whose sum is σ = 4154871978. Its totient is φ = 4154871976.

The previous prime is 4154871971. The next prime is 4154871979. The reversal of 4154871977 is 7791784514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3550253056 + 604618921 = 59584^2 + 24589^2 .

It is a cyclic number.

It is not a de Polignac number, because 4154871977 - 224 = 4138094761 is a prime.

It is a super-2 number, since 2×41548719772 = 34525922290519777058, which contains 22 as substring.

Together with 4154871979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4154871971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077435988 + 2077435989.

It is an arithmetic number, because the mean of its divisors is an integer number (2077435989).

Almost surely, 24154871977 is an apocalyptic number.

It is an amenable number.

4154871977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4154871977 is an equidigital number, since it uses as much as digits as its factorization.

4154871977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 53.

The square root of 4154871977 is about 64458.2964171409. The cubic root of 4154871977 is about 1607.6291863828.

The spelling of 4154871977 in words is "four billion, one hundred fifty-four million, eight hundred seventy-one thousand, nine hundred seventy-seven".