[go: up one dir, main page]

Search a number
-
+
270231121 is a prime number
BaseRepresentation
bin10000000110110…
…110011001010001
3200211111011102001
4100012312121101
51023134343441
642451554001
76460632556
oct2006663121
9624434361
10270231121
111295a1706
12765bb901
1343ca7094
1427c64a2d
1518acd731
hex101b6651

270231121 has 2 divisors, whose sum is σ = 270231122. Its totient is φ = 270231120.

The previous prime is 270231119. The next prime is 270231161. The reversal of 270231121 is 121132072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215766721 + 54464400 = 14689^2 + 7380^2 .

It is a cyclic number.

It is not a de Polignac number, because 270231121 - 21 = 270231119 is a prime.

Together with 270231119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (270231161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135115560 + 135115561.

It is an arithmetic number, because the mean of its divisors is an integer number (135115561).

Almost surely, 2270231121 is an apocalyptic number.

It is an amenable number.

270231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

270231121 is an equidigital number, since it uses as much as digits as its factorization.

270231121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 270231121 is about 16438.7080088430. The cubic root of 270231121 is about 646.5147748205.

Adding to 270231121 its reverse (121132072), we get a palindrome (391363193).

It can be divided in two parts, 2702311 and 21, that multiplied together give a triangular number (56748531 = T10653).

The spelling of 270231121 in words is "two hundred seventy million, two hundred thirty-one thousand, one hundred twenty-one".