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102102210073 is a prime number
BaseRepresentation
bin101111100010111000…
…1000001011000011001
3100202112200022200100001
41133011301001120121
53133101131210243
6114523300413001
710243121315563
oct1370561013031
9322480280301
10102102210073
113a3350436a6
12179559a7161
1398221c2526
144d28324333
1529c8a8ba4d
hex17c5c41619

102102210073 has 2 divisors, whose sum is σ = 102102210074. Its totient is φ = 102102210072.

The previous prime is 102102210031. The next prime is 102102210107. The reversal of 102102210073 is 370012201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101014001929 + 1088208144 = 317827^2 + 32988^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102210073 - 225 = 102068655641 is a prime.

It is a super-2 number, since 2×1021022100732 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102102210073.

It is not a weakly prime, because it can be changed into another prime (102102211073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051105036 + 51051105037.

It is an arithmetic number, because the mean of its divisors is an integer number (51051105037).

Almost surely, 2102102210073 is an apocalyptic number.

It is an amenable number.

102102210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102210073 is an equidigital number, since it uses as much as digits as its factorization.

102102210073 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102102210073 its reverse (370012201201), we get a palindrome (472114411274).

The spelling of 102102210073 in words is "one hundred two billion, one hundred two million, two hundred ten thousand, seventy-three".