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13464661655 = 520981128351
BaseRepresentation
bin11001000101000111…
…00110111010010111
31021202101010200102102
430202203212322113
5210033423133110
610104030232315
7654444510224
oct144243467227
937671120372
1013464661655
11578a4a5655
12273935569b
131367733023
1491a36294b
1553c1395a5
hex3228e6e97

13464661655 has 8 divisors (see below), whose sum is σ = 16158489984. Its totient is φ = 10771132000.

The previous prime is 13464661627. The next prime is 13464661663. The reversal of 13464661655 is 55616646431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13464661655 - 212 = 13464657559 is a prime.

It is a super-2 number, since 2×134646616552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 40730 + ... + 169080.

It is an arithmetic number, because the mean of its divisors is an integer number (2019811248).

Almost surely, 213464661655 is an apocalyptic number.

13464661655 is a deficient number, since it is larger than the sum of its proper divisors (2693828329).

13464661655 is a wasteful number, since it uses less digits than its factorization.

13464661655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149337.

The product of its digits is 1555200, while the sum is 47.

The spelling of 13464661655 in words is "thirteen billion, four hundred sixty-four million, six hundred sixty-one thousand, six hundred fifty-five".

Divisors: 1 5 20981 104905 128351 641755 2692932331 13464661655