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172100263103 is a prime number
BaseRepresentation
bin1010000001000111111…
…0011001110010111111
3121110012222000012110122
42200101332121302333
510304430131404403
6211021201525155
715301543046126
oct2402176316277
9543188005418
10172100263103
1166a951259aa
12294300437bb
13132c9107912
148488990abd
154723e15838
hex2811f99cbf

172100263103 has 2 divisors, whose sum is σ = 172100263104. Its totient is φ = 172100263102.

The previous prime is 172100263091. The next prime is 172100263141. The reversal of 172100263103 is 301362001271.

It is a weak prime.

It is an emirp because it is prime and its reverse (301362001271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172100263103 - 28 = 172100262847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172100263003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86050131551 + 86050131552.

It is an arithmetic number, because the mean of its divisors is an integer number (86050131552).

Almost surely, 2172100263103 is an apocalyptic number.

172100263103 is a deficient number, since it is larger than the sum of its proper divisors (1).

172100263103 is an equidigital number, since it uses as much as digits as its factorization.

172100263103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 172100263103 its reverse (301362001271), we get a palindrome (473462264374).

The spelling of 172100263103 in words is "one hundred seventy-two billion, one hundred million, two hundred sixty-three thousand, one hundred three".