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130145403 = 3199277787
BaseRepresentation
bin1111100000111…
…01110001111011
3100001220001221010
413300131301323
5231304123103
620525245003
73140134443
oct760356173
9301801833
10130145403
1167511193
1237703763
1320c69a1b
14133db123
15b65b903
hex7c1dc7b

130145403 has 16 divisors (see below), whose sum is σ = 175251200. Its totient is φ = 85906656.

The previous prime is 130145401. The next prime is 130145419. The reversal of 130145403 is 304541031.

It is not a de Polignac number, because 130145403 - 21 = 130145401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130145403.

It is not an unprimeable number, because it can be changed into a prime (130145401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164976 + ... + 165762.

It is an arithmetic number, because the mean of its divisors is an integer number (10953200).

Almost surely, 2130145403 is an apocalyptic number.

130145403 is a deficient number, since it is larger than the sum of its proper divisors (45105797).

130145403 is a wasteful number, since it uses less digits than its factorization.

130145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130145403 is about 11408.1288123864. The cubic root of 130145403 is about 506.7684987398.

Adding to 130145403 its reverse (304541031), we get a palindrome (434686434).

The spelling of 130145403 in words is "one hundred thirty million, one hundred forty-five thousand, four hundred three".

Divisors: 1 3 199 277 597 787 831 2361 55123 156613 165369 217999 469839 653997 43381801 130145403