Search a number
-
+
15020055315 = 3354761151257
BaseRepresentation
bin11011111110100001…
…11101101100010011
31102202202212212102000
431333100331230103
5221230113232230
610522231525043
71041132235506
oct157720755423
942682785360
1015020055315
11640847a961
122ab2229783
131554a4b6c5
14a26b6513d
155cd976b60
hex37f43db13

15020055315 has 128 divisors (see below), whose sum is σ = 28009635840. Its totient is φ = 7630848000.

The previous prime is 15020055293. The next prime is 15020055329. The reversal of 15020055315 is 51355002051.

It is not a de Polignac number, because 15020055315 - 25 = 15020055283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58443667 + ... + 58443923.

It is an arithmetic number, because the mean of its divisors is an integer number (218825280).

Almost surely, 215020055315 is an apocalyptic number.

15020055315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15020055315 is a deficient number, since it is larger than the sum of its proper divisors (12989580525).

15020055315 is a wasteful number, since it uses less digits than its factorization.

15020055315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 15020055315 its reverse (51355002051), we get a palindrome (66375057366).

The spelling of 15020055315 in words is "fifteen billion, twenty million, fifty-five thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 27 45 47 61 135 141 151 183 235 257 305 423 453 549 705 755 771 915 1269 1285 1359 1647 2115 2265 2313 2745 2867 3855 4077 6345 6795 6939 7097 8235 8601 9211 11565 12079 14335 15677 20385 21291 25803 27633 34695 35485 36237 38807 43005 46055 47031 60395 63873 77409 78385 82899 106455 108711 116421 129015 138165 141093 181185 191619 194035 235155 248697 319365 326133 349263 387045 414495 423279 432917 543555 582105 705465 736819 958095 1047789 1243485 1298751 1630665 1746315 1823929 2116395 2164585 2210457 2367227 3684095 3896253 5238945 5471787 6493755 6631371 7101681 9119645 11052285 11688759 11836135 16415361 19481265 19894113 21305043 27358935 33156855 35508405 49246083 58443795 63915129 82076805 99470565 106525215 111259669 246230415 319575645 333779007 556298345 1001337021 1668895035 3004011063 5006685105 15020055315