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102137741 is a prime number
BaseRepresentation
bin1100001011001…
…11111110001101
321010012010122022
412011213332031
5202121401431
614045055525
72350104446
oct605477615
9233163568
10102137741
1152721662
122a2575a5
1318211844
14d7ca2cd
158e7807b
hex6167f8d

102137741 has 2 divisors, whose sum is σ = 102137742. Its totient is φ = 102137740.

The previous prime is 102137719. The next prime is 102137743. The reversal of 102137741 is 147731201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55502500 + 46635241 = 7450^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 102137741 - 210 = 102136717 is a prime.

Together with 102137743, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102137741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102137743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51068870 + 51068871.

It is an arithmetic number, because the mean of its divisors is an integer number (51068871).

Almost surely, 2102137741 is an apocalyptic number.

It is an amenable number.

102137741 is a deficient number, since it is larger than the sum of its proper divisors (1).

102137741 is an equidigital number, since it uses as much as digits as its factorization.

102137741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 102137741 is about 10106.3218333873. The cubic root of 102137741 is about 467.4430956314.

Adding to 102137741 its reverse (147731201), we get a palindrome (249868942).

The spelling of 102137741 in words is "one hundred two million, one hundred thirty-seven thousand, seven hundred forty-one".