Search a number
-
+
13453514540 = 22531173125429
BaseRepresentation
bin11001000011110010…
…00101011100101100
31021201121011100110022
430201321011130230
5210023044431130
610102551301312
7654250662314
oct144171053454
937647140408
1013453514540
115784181664
12273567a838
13136532c2bb
14918aa0444
1553b1867e5
hex321e4572c

13453514540 has 48 divisors (see below), whose sum is σ = 29332558080. Its totient is φ = 5177667840.

The previous prime is 13453514531. The next prime is 13453514579. The reversal of 13453514540 is 4541535431.

It is a self number, because there is not a number n which added to its sum of digits gives 13453514540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44546 + ... + 169974.

It is an arithmetic number, because the mean of its divisors is an integer number (611094960).

Almost surely, 213453514540 is an apocalyptic number.

13453514540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13453514540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14666279040).

13453514540 is an abundant number, since it is smaller than the sum of its proper divisors (15879043540).

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

13453514540 is a wasteful number, since it uses less digits than its factorization.

13453514540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125642 (or 125640 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 13453514540 in words is "thirteen billion, four hundred fifty-three million, five hundred fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 173 310 346 620 692 865 1730 3460 5363 10726 21452 26815 53630 107260 125429 250858 501716 627145 1254290 2508580 3888299 7776598 15553196 19441495 21699217 38882990 43398434 77765980 86796868 108496085 216992170 433984340 672675727 1345351454 2690702908 3363378635 6726757270 13453514540