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14530331320 = 2351961331189
BaseRepresentation
bin11011000100001001…
…10100001010111000
31101111122101022101021
431202010310022320
5214224231100240
610401455232224
71023034530661
oct154204641270
941448338337
1014530331320
116186aa1a8a
122996218674
1314a74539ab
149bbac6368
155a098d54a
hex3621342b8

14530331320 has 64 divisors (see below), whose sum is σ = 34471188000. Its totient is φ = 5497072128.

The previous prime is 14530331287. The next prime is 14530331327. The reversal of 14530331320 is 2313303541.

It is a super-2 number, since 2×145303313202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14530331327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450286 + ... + 481474.

Almost surely, 214530331320 is an apocalyptic number.

14530331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14530331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17235594000).

14530331320 is an abundant number, since it is smaller than the sum of its proper divisors (19940856680).

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

14530331320 is a wasteful number, since it uses less digits than its factorization.

14530331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832 (or 31828 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 14530331320 its reverse (2313303541), we get a palindrome (16843634861).

The spelling of 14530331320 in words is "fourteen billion, five hundred thirty million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 613 760 1226 2452 3065 4904 6130 11647 12260 23294 24520 31189 46588 58235 62378 93176 116470 124756 155945 232940 249512 311890 465880 592591 623780 1185182 1247560 2370364 2962955 4740728 5925910 11851820 19118857 23703640 38237714 76475428 95594285 152950856 191188570 363258283 382377140 726516566 764754280 1453033132 1816291415 2906066264 3632582830 7265165660 14530331320