Search a number
-
+
530515350012520 = 23513262883750313
BaseRepresentation
bin111100010100000000011101…
…0111111000100001001101000
32120120101202211220020112202101
41320220000322333010021220
51024013430414100400040
65120151215352143144
7216513316634361535
oct17050007277041150
92516352756215671
10530515350012520
11144047329636984
124b601519397ab4
1319a034c9158842
149501119521d8c
15414edc5c0c09a
hex1e2803afc4268

530515350012520 has 16 divisors (see below), whose sum is σ = 1193659537528260. Its totient is φ = 212206140004992.

The previous prime is 530515350012509. The next prime is 530515350012539. The reversal of 530515350012520 is 25210053515035.

It can be written as a sum of positive squares in 2 ways, for example, as 473816829467556 + 56698520544964 = 21767334^2 + 7529842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530515350012520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6631441875117 + ... + 6631441875196.

Almost surely, 2530515350012520 is an apocalyptic number.

It is an amenable number.

530515350012520 is an abundant number, since it is smaller than the sum of its proper divisors (663144187515740).

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

530515350012520 is a wasteful number, since it uses less digits than its factorization.

530515350012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13262883750324 (or 13262883750320 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 530515350012520 in words is "five hundred thirty trillion, five hundred fifteen billion, three hundred fifty million, twelve thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13262883750313 26525767500626 53051535001252 66314418751565 106103070002504 132628837503130 265257675006260 530515350012520