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110102381 is a prime number
BaseRepresentation
bin1101001000000…
…00011101101101
321200011210001222
412210000131231
5211141234011
614531513125
72504566124
oct644003555
9250153058
10110102381
1157171604
1230a587a5
1319a6cb4c
14108a0abb
1599ecddb
hex690076d

110102381 has 2 divisors, whose sum is σ = 110102382. Its totient is φ = 110102380.

The previous prime is 110102347. The next prime is 110102383. The reversal of 110102381 is 183201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79477225 + 30625156 = 8915^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 110102381 - 210 = 110101357 is a prime.

It is a super-2 number, since 2×1101023812 = 24245068603738322, which contains 22 as substring.

Together with 110102383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110102383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051190 + 55051191.

It is an arithmetic number, because the mean of its divisors is an integer number (55051191).

Almost surely, 2110102381 is an apocalyptic number.

It is an amenable number.

110102381 is a deficient number, since it is larger than the sum of its proper divisors (1).

110102381 is an equidigital number, since it uses as much as digits as its factorization.

110102381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 110102381 is about 10492.9681692074. The cubic root of 110102381 is about 479.2905912348.

Adding to 110102381 its reverse (183201011), we get a palindrome (293303392).

The spelling of 110102381 in words is "one hundred ten million, one hundred two thousand, three hundred eighty-one".