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13148816384 = 210112106121
BaseRepresentation
bin11000011111011101…
…10000010000000000
31020221100211002011102
430033232300100000
5203412044111014
610012424433532
7643561044434
oct141756602000
936840732142
1013148816384
115638189400
12266b6188a8
131317177c32
148ca4269c4
1551e54a8de
hex30fbb0400

13148816384 has 66 divisors (see below), whose sum is σ = 28891820622. Its totient is φ = 5976678400.

The previous prime is 13148816363. The next prime is 13148816389. The reversal of 13148816384 is 48361884131.

It can be written as a sum of positive squares in only one way, i.e., 12687769600 + 461046784 = 112640^2 + 21472^2 .

It is a super-3 number, since 3×131488163843 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13148816389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70844 + ... + 176964.

Almost surely, 213148816384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13148816384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14445910311).

13148816384 is an abundant number, since it is smaller than the sum of its proper divisors (15743004238).

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

13148816384 is a wasteful number, since it uses less digits than its factorization.

13148816384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106163 (or 106134 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The spelling of 13148816384 in words is "thirteen billion, one hundred forty-eight million, eight hundred sixteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1408 1936 2816 3872 5632 7744 11264 15488 30976 61952 106121 123904 212242 424484 848968 1167331 1697936 2334662 3395872 4669324 6791744 9338648 12840641 13583488 18677296 25681282 27166976 37354592 51362564 54333952 74709184 102725128 108667904 149418368 205450256 298836736 410900512 597673472 821801024 1195346944 1643602048 3287204096 6574408192 13148816384