Search a number
-
+
130551643 is a prime number
BaseRepresentation
bin1111100100000…
…00111101011011
3100002122201012001
413302000331123
5231410123033
620542101431
73143446015
oct762007533
9302581161
10130551643
1167769422
123787a877
132107c8c1
14134a51b5
15b6dbe7d
hex7c80f5b

130551643 has 2 divisors, whose sum is σ = 130551644. Its totient is φ = 130551642.

The previous prime is 130551607. The next prime is 130551661. The reversal of 130551643 is 346155031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130551643 - 225 = 96997211 is a prime.

It is not a weakly prime, because it can be changed into another prime (130557643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275821 + 65275822.

It is an arithmetic number, because the mean of its divisors is an integer number (65275822).

Almost surely, 2130551643 is an apocalyptic number.

130551643 is a deficient number, since it is larger than the sum of its proper divisors (1).

130551643 is an equidigital number, since it uses as much as digits as its factorization.

130551643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 130551643 is about 11425.9197879208. The cubic root of 130551643 is about 507.2952321682.

The spelling of 130551643 in words is "one hundred thirty million, five hundred fifty-one thousand, six hundred forty-three".