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13454043344 = 247487724631
BaseRepresentation
bin11001000011110110…
…00110100011010000
31021201122011012211122
430201323012203100
5210023213341334
610103010501412
7654255324110
oct144173064320
937648135748
1013454043344
115784502995
122735894868
131365485bc1
14918b9b040
1553b23d32e
hex321ec68d0

13454043344 has 40 divisors (see below), whose sum is σ = 29798414208. Its totient is φ = 5764602240.

The previous prime is 13454043331. The next prime is 13454043397. The reversal of 13454043344 is 44334045431.

It is a happy number.

It is a super-2 number, since 2×134540433442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533909 + ... + 558539.

Almost surely, 213454043344 is an apocalyptic number.

13454043344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13454043344 is an abundant number, since it is smaller than the sum of its proper divisors (16344370864).

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

13454043344 is a wasteful number, since it uses less digits than its factorization.

13454043344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29523 (or 29517 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 13454043344 its reverse (44334045431), we get a palindrome (57788088775).

The spelling of 13454043344 in words is "thirteen billion, four hundred fifty-four million, forty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 4877 9754 19508 24631 34139 39016 49262 68278 78032 98524 136556 172417 197048 273112 344834 394096 546224 689668 1379336 2758672 120125387 240250774 480501548 840877709 961003096 1681755418 1922006192 3363510836 6727021672 13454043344