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13480331655 = 357432985677
BaseRepresentation
bin11001000110111110…
…11000100110000111
31021210110121210121210
430203133120212013
5210101431103110
610105350142503
7655024633320
oct144337304607
937713553553
1013480331655
11579832876a
122742651a33
13136aa5b60b
1491c481447
1553d6d2520
hex3237d8987

13480331655 has 32 divisors (see below), whose sum is σ = 25223007744. Its totient is φ = 6019122816.

The previous prime is 13480331647. The next prime is 13480331677. The reversal of 13480331655 is 55613308431.

It is not a de Polignac number, because 13480331655 - 23 = 13480331647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488324 + ... + 1497353.

It is an arithmetic number, because the mean of its divisors is an integer number (788218992).

Almost surely, 213480331655 is an apocalyptic number.

13480331655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13480331655 is a deficient number, since it is larger than the sum of its proper divisors (11742676089).

13480331655 is a wasteful number, since it uses less digits than its factorization.

13480331655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985735.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 13480331655 in words is "thirteen billion, four hundred eighty million, three hundred thirty-one thousand, six hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 43 105 129 215 301 645 903 1505 4515 2985677 8957031 14928385 20899739 44785155 62699217 104498695 128384111 313496085 385152333 641920555 898688777 1925761665 2696066331 4493443885 13480331655