Search a number
-
+
13212413105240 = 235873137831901
BaseRepresentation
bin1100000001000100000100…
…1100001001010001011000
31201210002112210020021222102
43000101001030021101120
53212433010223331430
644033410534342532
72532364625245526
oct300210114112130
951702483207872
1013212413105240
114234397829658
1215947a24baa48
1374ac048bb77b
143396ac93b316
1517da4277d345
hexc0441309458

13212413105240 has 32 divisors (see below), whose sum is σ = 29731335143760. Its totient is φ = 5284359792000.

The previous prime is 13212413105237. The next prime is 13212413105323. The reversal of 13212413105240 is 4250131421231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18566711 + ... + 19265190.

Almost surely, 213212413105240 is an apocalyptic number.

13212413105240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212413105240 is an abundant number, since it is smaller than the sum of its proper divisors (16518922038520).

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

13212413105240 is a wasteful number, since it uses less digits than its factorization.

13212413105240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37840643 (or 37840639 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13212413105240 its reverse (4250131421231), we get a palindrome (17462544526471).

The spelling of 13212413105240 in words is "thirteen trillion, two hundred twelve billion, four hundred thirteen million, one hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 8731 17462 34924 43655 69848 87310 174620 349240 37831901 75663802 151327604 189159505 302655208 378319010 756638020 1513276040 330310327631 660620655262 1321241310524 1651551638155 2642482621048 3303103276310 6606206552620 13212413105240