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130640703 = 358217481
BaseRepresentation
bin1111100100101…
…10101100111111
3100002211020100120
413302112230333
5231421000303
620544030023
73144266454
oct762265477
9302736316
10130640703
116781a326
1237902313
13210b12bb
14134c982b
15b708553
hex7c96b3f

130640703 has 8 divisors (see below), whose sum is σ = 174240816. Its totient is φ = 87067200.

The previous prime is 130640689. The next prime is 130640717. The reversal of 130640703 is 307046031.

It is an interprime number because it is at equal distance from previous prime (130640689) and next prime (130640717).

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

It is not a de Polignac number, because 130640703 - 221 = 128543551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130680703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13723 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (21780102).

Almost surely, 2130640703 is an apocalyptic number.

130640703 is a deficient number, since it is larger than the sum of its proper divisors (43600113).

130640703 is an equidigital number, since it uses as much as digits as its factorization.

130640703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 130640703 is about 11429.8164027249. The cubic root of 130640703 is about 507.4105618636.

Adding to 130640703 its reverse (307046031), we get a palindrome (437686734).

The spelling of 130640703 in words is "one hundred thirty million, six hundred forty thousand, seven hundred three".

Divisors: 1 3 5821 7481 17463 22443 43546901 130640703