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128846953 is a prime number
BaseRepresentation
bin1111010111000…
…00110001101001
322222110002210101
413223200301221
5230441100303
620441345401
73123116044
oct753406151
9288402711
10128846953
1166804694
1237198261
1320903a01
141317dc5b
15b4a1d1d
hex7ae0c69

128846953 has 2 divisors, whose sum is σ = 128846954. Its totient is φ = 128846952.

The previous prime is 128846933. The next prime is 128846983. The reversal of 128846953 is 359648821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109767529 + 19079424 = 10477^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 128846953 - 213 = 128838761 is a prime.

It is not a weakly prime, because it can be changed into another prime (128846933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64423476 + 64423477.

It is an arithmetic number, because the mean of its divisors is an integer number (64423477).

Almost surely, 2128846953 is an apocalyptic number.

It is an amenable number.

128846953 is a deficient number, since it is larger than the sum of its proper divisors (1).

128846953 is an equidigital number, since it uses as much as digits as its factorization.

128846953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 128846953 is about 11351.0771735549. The cubic root of 128846953 is about 505.0775334343.

The spelling of 128846953 in words is "one hundred twenty-eight million, eight hundred forty-six thousand, nine hundred fifty-three".