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153946940087 is a prime number
BaseRepresentation
bin1000111101011111110…
…0111110001010110111
3112201100211022211210202
42033113330332022313
510010240404040322
6154420001111115
714056643254133
oct2172774761267
9481324284722
10153946940087
115a31a041706
1225a0462849b
13116951b3a75
147645a523c3
154010373292
hex23d7f3e2b7

153946940087 has 2 divisors, whose sum is σ = 153946940088. Its totient is φ = 153946940086.

The previous prime is 153946940053. The next prime is 153946940101. The reversal of 153946940087 is 780049649351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153946940087 - 220 = 153945891511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153946910087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76973470043 + 76973470044.

It is an arithmetic number, because the mean of its divisors is an integer number (76973470044).

Almost surely, 2153946940087 is an apocalyptic number.

153946940087 is a deficient number, since it is larger than the sum of its proper divisors (1).

153946940087 is an equidigital number, since it uses as much as digits as its factorization.

153946940087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 153946940087 in words is "one hundred fifty-three billion, nine hundred forty-six million, nine hundred forty thousand, eighty-seven".