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13003130121240 = 2335715479916811
BaseRepresentation
bin1011110100111000011011…
…1100111010110000011000
31201001002100111101011101210
42331032012330322300120
53201020402302334430
643353315553543120
72511305454241320
oct275160674726030
951032314334353
1013003130121240
114163661a65156
121560115b74aa0
137342612cb66c
1432d4d7a20280
151783943802b0
hexbd386f3ac18

13003130121240 has 64 divisors (see below), whose sum is σ = 44582160418560. Its totient is φ = 2972144027520.

The previous prime is 13003130121239. The next prime is 13003130121283. The reversal of 13003130121240 is 4212103130031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7739957566 + ... + 7739959245.

It is an arithmetic number, because the mean of its divisors is an integer number (696596256540).

Almost surely, 213003130121240 is an apocalyptic number.

13003130121240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003130121240 is an abundant number, since it is smaller than the sum of its proper divisors (31579030297320).

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

13003130121240 is a wasteful number, since it uses less digits than its factorization.

13003130121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479916832 (or 15479916828 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13003130121240 its reverse (4212103130031), we get a palindrome (17215233251271).

The spelling of 13003130121240 in words is "thirteen trillion, three billion, one hundred thirty million, one hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 15479916811 30959833622 46439750433 61919667244 77399584055 92879500866 108359417677 123839334488 154799168110 185759001732 216718835354 232198752165 309598336220 325078253031 371518003464 433437670708 464397504330 541797088385 619196672440 650156506062 866875341416 928795008660 1083594176770 1300313012124 1625391265155 1857590017320 2167188353540 2600626024248 3250782530310 4334376707080 6501565060620 13003130121240