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130299766 = 265149883
BaseRepresentation
bin1111100010000…
…11011101110110
3100002011220200021
413301003131312
5231324043031
620532435354
73141346462
oct761033566
9302156607
10130299766
1167607163
1237778b5a
1320cc206c
141343b4a2
15b68c511
hex7c43776

130299766 has 4 divisors (see below), whose sum is σ = 195449652. Its totient is φ = 65149882.

The previous prime is 130299751. The next prime is 130299769. The reversal of 130299766 is 667992031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667992031 = 795427433.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130299769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32574940 + ... + 32574943.

It is an arithmetic number, because the mean of its divisors is an integer number (48862413).

Almost surely, 2130299766 is an apocalyptic number.

130299766 is a deficient number, since it is larger than the sum of its proper divisors (65149886).

130299766 is an equidigital number, since it uses as much as digits as its factorization.

130299766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65149885.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 130299766 is about 11414.8922903372. The cubic root of 130299766 is about 506.9687757550.

The spelling of 130299766 in words is "one hundred thirty million, two hundred ninety-nine thousand, seven hundred sixty-six".

Divisors: 1 2 65149883 130299766