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234424121381 is a prime number
BaseRepresentation
bin1101101001010011000…
…1000011100000100101
3211102002102100020110222
43122110301003200211
512320100033341011
6255405402254125
722636151103632
oct3322461034045
9742072306428
10234424121381
119046733a09a
12395241b7345
131914c141578
14b4bbd23189
15617069dddb
hex3694c43825

234424121381 has 2 divisors, whose sum is σ = 234424121382. Its totient is φ = 234424121380.

The previous prime is 234424121341. The next prime is 234424121429. The reversal of 234424121381 is 183121424432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200001256225 + 34422865156 = 447215^2 + 185534^2 .

It is a cyclic number.

It is not a de Polignac number, because 234424121381 - 26 = 234424121317 is a prime.

It is a super-2 number, since 2×2344241213812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234424121341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117212060690 + 117212060691.

It is an arithmetic number, because the mean of its divisors is an integer number (117212060691).

Almost surely, 2234424121381 is an apocalyptic number.

It is an amenable number.

234424121381 is a deficient number, since it is larger than the sum of its proper divisors (1).

234424121381 is an equidigital number, since it uses as much as digits as its factorization.

234424121381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The spelling of 234424121381 in words is "two hundred thirty-four billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred eighty-one".