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212376137 is a prime number
BaseRepresentation
bin11001010100010…
…01101001001001
3112210121211021212
430222021221021
5413332014022
633023542505
75156111261
oct1452115111
9483554255
10212376137
11a9976376
125b15aa35
1334ccb56c
14202c47a1
15139a13e2
hexca89a49

212376137 has 2 divisors, whose sum is σ = 212376138. Its totient is φ = 212376136.

The previous prime is 212376119. The next prime is 212376209. The reversal of 212376137 is 731673212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 97693456 = 10709^2 + 9884^2 .

It is a cyclic number.

It is not a de Polignac number, because 212376137 - 28 = 212375881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212372137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106188068 + 106188069.

It is an arithmetic number, because the mean of its divisors is an integer number (106188069).

Almost surely, 2212376137 is an apocalyptic number.

It is an amenable number.

212376137 is a deficient number, since it is larger than the sum of its proper divisors (1).

212376137 is an equidigital number, since it uses as much as digits as its factorization.

212376137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 212376137 is about 14573.1306519910. The cubic root of 212376137 is about 596.6256295792.

The spelling of 212376137 in words is "two hundred twelve million, three hundred seventy-six thousand, one hundred thirty-seven".