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30030173197 is a prime number
BaseRepresentation
bin11011111101111100…
…000001010000001101
32212111212001212012221
4123331330001100031
5443000211020242
621443510455341
72112114155233
oct337574012015
985455055187
1030030173197
1111810282662
1259a1064551
132aa76cab6b
14164c460953
15bab5d9167
hex6fdf0140d

30030173197 has 2 divisors, whose sum is σ = 30030173198. Its totient is φ = 30030173196.

The previous prime is 30030173183. The next prime is 30030173219. The reversal of 30030173197 is 79137103003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29991658761 + 38514436 = 173181^2 + 6206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30030173197 is a prime.

It is a super-2 number, since 2×300301731972 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30030170197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015086598 + 15015086599.

It is an arithmetic number, because the mean of its divisors is an integer number (15015086599).

Almost surely, 230030173197 is an apocalyptic number.

It is an amenable number.

30030173197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030173197 is an equidigital number, since it uses as much as digits as its factorization.

30030173197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 34.

The spelling of 30030173197 in words is "thirty billion, thirty million, one hundred seventy-three thousand, one hundred ninety-seven".