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13440321102 = 2313979117599
BaseRepresentation
bin11001000010001101…
…10000011001001110
31021200200100001110110
430201012300121032
5210011210233402
610101400420450
7654030562425
oct144106603116
937620301413
1013440321102
11577779019a
122731177726
131362690030
149170282bc
15539e2c56c
hex3211b064e

13440321102 has 32 divisors (see below), whose sum is σ = 28952985600. Its totient is φ = 4134826080.

The previous prime is 13440321049. The next prime is 13440321107. The reversal of 13440321102 is 20112304431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440321107) 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, 754899 + ... + 772497.

It is an arithmetic number, because the mean of its divisors is an integer number (904780800).

Almost surely, 213440321102 is an apocalyptic number.

13440321102 is an abundant number, since it is smaller than the sum of its proper divisors (15512664498).

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

13440321102 is a wasteful number, since it uses less digits than its factorization.

13440321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27408.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13440321102 its reverse (20112304431), we get a palindrome (33552625533).

The spelling of 13440321102 in words is "thirteen billion, four hundred forty million, three hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 13 26 39 78 9791 17599 19582 29373 35198 52797 58746 105594 127283 228787 254566 381849 457574 686361 763698 1372722 172311809 344623618 516935427 1033870854 2240053517 4480107034 6720160551 13440321102