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4180842157 is a prime number
BaseRepresentation
bin1111100100110010…
…1001011010101101
3101210100222210020211
43321030221122231
532030243422112
61530505542421
7205414400122
oct37114513255
911710883224
104180842157
111855a81658
129881a4a11
1351822b9cb
142b938a749
151970980a7
hexf93296ad

4180842157 has 2 divisors, whose sum is σ = 4180842158. Its totient is φ = 4180842156.

The previous prime is 4180842151. The next prime is 4180842163. The reversal of 4180842157 is 7512480814.

4180842157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (4180842151) and next prime (4180842163).

It can be written as a sum of positive squares in only one way, i.e., 4151096041 + 29746116 = 64429^2 + 5454^2 .

It is a cyclic number.

It is not a de Polignac number, because 4180842157 - 211 = 4180840109 is a prime.

It is a super-2 number, since 2×41808421572 = 34958882283496825298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4180842151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090421078 + 2090421079.

It is an arithmetic number, because the mean of its divisors is an integer number (2090421079).

Almost surely, 24180842157 is an apocalyptic number.

It is an amenable number.

4180842157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180842157 is an equidigital number, since it uses as much as digits as its factorization.

4180842157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 4180842157 is about 64659.4320807104. The cubic root of 4180842157 is about 1610.9717468658.

The spelling of 4180842157 in words is "four billion, one hundred eighty million, eight hundred forty-two thousand, one hundred fifty-seven".