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13241121240 = 2335137805421
BaseRepresentation
bin11000101010011101…
…10111100111011000
31021011210111122121210
430111032313213120
5204104211334430
610025523103120
7646061450004
oct142516674730
937153448553
1013241121240
1156852a4406
122696511aa0
131330325ca9
148d87b3704
155276d02b0
hex3153b79d8

13241121240 has 64 divisors (see below), whose sum is σ = 40013364960. Its totient is φ = 3505187840.

The previous prime is 13241121239. The next prime is 13241121247. The reversal of 13241121240 is 4212114231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241121247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386271 + ... + 419150.

Almost surely, 213241121240 is an apocalyptic number.

13241121240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13241121240 is an abundant number, since it is smaller than the sum of its proper divisors (26772243720).

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

13241121240 is a wasteful number, since it uses less digits than its factorization.

13241121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805572 (or 805568 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13241121240 its reverse (4212114231), we get a palindrome (17453235471).

The spelling of 13241121240 in words is "thirteen billion, two hundred forty-one million, one hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 137 274 411 548 685 822 1096 1370 1644 2055 2740 3288 4110 5480 8220 16440 805421 1610842 2416263 3221684 4027105 4832526 6443368 8054210 9665052 12081315 16108420 19330104 24162630 32216840 48325260 96650520 110342677 220685354 331028031 441370708 551713385 662056062 882741416 1103426770 1324112124 1655140155 2206853540 2648224248 3310280310 4413707080 6620560620 13241121240