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1520130056 = 231272715521
BaseRepresentation
bin101101010011011…
…0101100000001000
310220221101121102012
41122212311200020
511103123130211
6410501355052
752445615024
oct13246654010
93827347365
101520130056
1171008a235
12365108a88
131b2c1c953
14105c63384
158d6c3d8b
hex5a9b5808

1520130056 has 32 divisors (see below), whose sum is σ = 2883809280. Its totient is φ = 751161600.

The previous prime is 1520130041. The next prime is 1520130083. The reversal of 1520130056 is 6500310251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272576 + ... + 278096.

It is an arithmetic number, because the mean of its divisors is an integer number (90119040).

Almost surely, 21520130056 is an apocalyptic number.

It is an amenable number.

1520130056 is a deficient number, since it is larger than the sum of its proper divisors (1363679224).

1520130056 is a wasteful number, since it uses less digits than its factorization.

1520130056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925 (or 5921 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1520130056 is about 38988.8452765660. The cubic root of 1520130056 is about 1149.8122077730.

The spelling of 1520130056 in words is "one billion, five hundred twenty million, one hundred thirty thousand, fifty-six".

Divisors: 1 2 4 8 127 254 271 508 542 1016 1084 2168 5521 11042 22084 34417 44168 68834 137668 275336 701167 1402334 1496191 2804668 2992382 5609336 5984764 11969528 190016257 380032514 760065028 1520130056