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130251194 = 21947233313
BaseRepresentation
bin1111100001101…
…11100110111010
3100002002110001022
413300313212322
5231321014234
620531422442
73141055043
oct760674672
9302073038
10130251194
1167583717
1237754a22
1320ca5c18
14134278ca
15b67ce2e
hex7c379ba

130251194 has 32 divisors (see below), whose sum is σ = 211610880. Its totient is φ = 59933952.

The previous prime is 130251193. The next prime is 130251203. The reversal of 130251194 is 491152031.

It is not an unprimeable number, because it can be changed into a prime (130251193) 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, 415982 + ... + 416294.

It is an arithmetic number, because the mean of its divisors is an integer number (6612840).

Almost surely, 2130251194 is an apocalyptic number.

130251194 is a deficient number, since it is larger than the sum of its proper divisors (81359686).

130251194 is a wasteful number, since it uses less digits than its factorization.

130251194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 130251194 is about 11412.7645204832. The cubic root of 130251194 is about 506.9057734731.

The spelling of 130251194 in words is "one hundred thirty million, two hundred fifty-one thousand, one hundred ninety-four".

Divisors: 1 2 19 38 47 94 233 313 466 626 893 1786 4427 5947 8854 10951 11894 14711 21902 29422 72929 145858 208069 279509 416138 559018 1385651 2771302 3427663 6855326 65125597 130251194