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130355666 = 279311119
BaseRepresentation
bin1111100010100…
…01000111010010
3100002021202100122
413301101013102
5231332340131
620533550242
73142001450
oct761210722
9302252318
10130355666
1167645161
12377a5382
132101163c
14134539d0
15b69dd7b
hex7c511d2

130355666 has 8 divisors (see below), whose sum is σ = 223466880. Its totient is φ = 55866708.

The previous prime is 130355663. The next prime is 130355671. The reversal of 130355666 is 666553031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130355663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655546 + ... + 4655573.

It is an arithmetic number, because the mean of its divisors is an integer number (27933360).

Almost surely, 2130355666 is an apocalyptic number.

130355666 is a deficient number, since it is larger than the sum of its proper divisors (93111214).

130355666 is an equidigital number, since it uses as much as digits as its factorization.

130355666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311128.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 130355666 is about 11417.3405835159. The cubic root of 130355666 is about 507.0412637411.

The spelling of 130355666 in words is "one hundred thirty million, three hundred fifty-five thousand, six hundred sixty-six".

Divisors: 1 2 7 14 9311119 18622238 65177833 130355666