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128952983 is a prime number
BaseRepresentation
bin1111010111110…
…10101010010111
322222122111020102
413223322222113
5231002443413
620443524315
73124040135
oct753725227
9288574212
10128952983
1166877315
123722969b
1320940053
14131aa755
15b4c3458
hex7afaa97

128952983 has 2 divisors, whose sum is σ = 128952984. Its totient is φ = 128952982.

The previous prime is 128952979. The next prime is 128953009. The reversal of 128952983 is 389259821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128952983 - 22 = 128952979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128952683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64476491 + 64476492.

It is an arithmetic number, because the mean of its divisors is an integer number (64476492).

Almost surely, 2128952983 is an apocalyptic number.

128952983 is a deficient number, since it is larger than the sum of its proper divisors (1).

128952983 is an equidigital number, since it uses as much as digits as its factorization.

128952983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 128952983 is about 11355.7466949558. The cubic root of 128952983 is about 505.2160406228.

The spelling of 128952983 in words is "one hundred twenty-eight million, nine hundred fifty-two thousand, nine hundred eighty-three".