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130120145 = 529638783
BaseRepresentation
bin1111100000101…
…11100111010001
3100001211210021122
413300113213101
5231302321040
620524532025
73140001011
oct760274721
9301753248
10130120145
11674a4211
12376b1015
1320c5b38c
14133d1c41
15b6541b5
hex7c179d1

130120145 has 8 divisors (see below), whose sum is σ = 156214656. Its totient is φ = 104049136.

The previous prime is 130120139. The next prime is 130120147. The reversal of 130120145 is 541021031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130120145 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130120147) 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, 10424 + ... + 19206.

It is an arithmetic number, because the mean of its divisors is an integer number (19526832).

Almost surely, 2130120145 is an apocalyptic number.

It is an amenable number.

130120145 is a deficient number, since it is larger than the sum of its proper divisors (26094511).

130120145 is an equidigital number, since it uses as much as digits as its factorization.

130120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11751.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 130120145 is about 11407.0217410155. The cubic root of 130120145 is about 506.7357128798.

Adding to 130120145 its reverse (541021031), we get a palindrome (671141176).

The spelling of 130120145 in words is "one hundred thirty million, one hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 2963 8783 14815 43915 26024029 130120145