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30200952157 is a prime number
BaseRepresentation
bin11100001000000111…
…011111010101011101
32212221202102022220121
4130020013133111131
5443322420432112
621512451114541
72116256600125
oct341007372535
985852368817
1030200952157
11118987173a2
125a2a2a2a51
132b03bc38bc
141666dd7c85
15bbb5c0407
hex7081df55d

30200952157 has 2 divisors, whose sum is σ = 30200952158. Its totient is φ = 30200952156.

The previous prime is 30200952139. The next prime is 30200952161. The reversal of 30200952157 is 75125900203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21112380601 + 9088571556 = 145301^2 + 95334^2 .

It is a cyclic number.

It is not a de Polignac number, because 30200952157 - 215 = 30200919389 is a prime.

It is a super-2 number, since 2×302009521572 (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 (30200952127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100476078 + 15100476079.

It is an arithmetic number, because the mean of its divisors is an integer number (15100476079).

Almost surely, 230200952157 is an apocalyptic number.

It is an amenable number.

30200952157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30200952157 is an equidigital number, since it uses as much as digits as its factorization.

30200952157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 30200952157 in words is "thirty billion, two hundred million, nine hundred fifty-two thousand, one hundred fifty-seven".