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13212500352140 = 2255478783137507
BaseRepresentation
bin1100000001000100011001…
…1000111101110010001100
31201210002202212101220020002
43000101012120331302030
53212433200042232030
644033423332343432
72532400034653625
oct300210630756214
951702685356202
1013212500352140
114234431aaa531
121594807774b78
1374ac199b855b
143396ba36ca4c
1517da4a264245
hexc044663dc8c

13212500352140 has 48 divisors (see below), whose sum is σ = 27800342180352. Its totient is φ = 5274699358656.

The previous prime is 13212500352133. The next prime is 13212500352197. The reversal of 13212500352140 is 4125300521231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96017267 + ... + 96154773.

It is an arithmetic number, because the mean of its divisors is an integer number (579173795424).

Almost surely, 213212500352140 is an apocalyptic number.

13212500352140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212500352140 is an abundant number, since it is smaller than the sum of its proper divisors (14587841828212).

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

13212500352140 is a wasteful number, since it uses less digits than its factorization.

13212500352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146846 (or 146844 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13212500352140 its reverse (4125300521231), we get a palindrome (17337800873371).

The spelling of 13212500352140 in words is "thirteen trillion, two hundred twelve billion, five hundred million, three hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 547 1094 2188 2735 5470 8783 10940 17566 35132 43915 87830 137507 175660 275014 550028 687535 1375070 2750140 4804301 9608602 19217204 24021505 48043010 75216329 96086020 150432658 300865316 376081645 752163290 1207723981 1504326580 2415447962 4830895924 6038619905 12077239810 24154479620 660625017607 1321250035214 2642500070428 3303125088035 6606250176070 13212500352140