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1520130066 = 237134364747
BaseRepresentation
bin101101010011011…
…0101100000010010
310220221101121102120
41122212311200102
511103123130231
6410501355110
752445615040
oct13246654022
93827347376
101520130066
1171008a244
12365108a96
131b2c1c960
14105c63390
158d6c3d96
hex5a9b5812

1520130066 has 64 divisors (see below), whose sum is σ = 3828937728. Its totient is φ = 391583808.

The previous prime is 1520130041. The next prime is 1520130083. The reversal of 1520130066 is 6600310251.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8896 + ... + 55851.

It is an arithmetic number, because the mean of its divisors is an integer number (59827152).

Almost surely, 21520130066 is an apocalyptic number.

1520130066 is an abundant number, since it is smaller than the sum of its proper divisors (2308807662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1520130066 is a wasteful number, since it uses less digits than its factorization.

1520130066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64815.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1520130066 is about 38988.8454048078. The cubic root of 1520130066 is about 1149.8122102943.

The spelling of 1520130066 in words is "one billion, five hundred twenty million, one hundred thirty thousand, sixty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 43 78 86 91 129 182 258 273 301 546 559 602 903 1118 1677 1806 3354 3913 7826 11739 23478 64747 129494 194241 388482 453229 841711 906458 1359687 1683422 2525133 2719374 2784121 5050266 5568242 5891977 8352363 11783954 16704726 17675931 19488847 35351862 36193573 38977694 58466541 72387146 108580719 116933082 217161438 253355011 506710022 760065033 1520130066