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13440551342 = 227726879029
BaseRepresentation
bin11001000010001111…
…01000100110101110
31021200200202202021212
430201013220212232
5210011240120332
610101405354422
7654032541611
oct144107504656
937620682255
1013440551342
115777928179
122731268a12
131362740a7a
14917088178
15539e758b2
hex3211e89ae

13440551342 has 16 divisors (see below), whose sum is σ = 20243381760. Its totient is φ = 6692781408.

The previous prime is 13440551233. The next prime is 13440551347. The reversal of 13440551342 is 24315504431.

It is a junction number, because it is equal to n+sod(n) for n = 13440551299 and 13440551308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440551347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484084 + ... + 1493112.

It is an arithmetic number, because the mean of its divisors is an integer number (1265211360).

Almost surely, 213440551342 is an apocalyptic number.

13440551342 is a deficient number, since it is larger than the sum of its proper divisors (6802830418).

13440551342 is a wasteful number, since it uses less digits than its factorization.

13440551342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 13440551342 in words is "thirteen billion, four hundred forty million, five hundred fifty-one thousand, three hundred forty-two".

Divisors: 1 2 277 554 2687 5374 9029 18058 744299 1488598 2501033 5002066 24260923 48521846 6720275671 13440551342