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13031111413320 = 233571113372932003
BaseRepresentation
bin1011110110100000101011…
…0001000100111001001000
31201010202120120010002002220
42331220022301010321020
53202000204010211240
643414224314054040
72513316042300330
oct275501261047110
951122516102086
1013031111413320
114174510744030
121565624a1a320
13736aa0399120
143309cdd000c0
15178e80b4d5d0
hexbda0ac44e48

13031111413320 has 512 divisors, whose sum is σ = 53907590983680. Its totient is φ = 2431919738880.

The previous prime is 13031111413301. The next prime is 13031111413343. The reversal of 13031111413320 is 2331411113031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2978439 + ... + 5910441.

It is an arithmetic number, because the mean of its divisors is an integer number (105288263640).

Almost surely, 213031111413320 is an apocalyptic number.

13031111413320 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 13031111413320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26953795491840).

13031111413320 is an abundant number, since it is smaller than the sum of its proper divisors (40876479570360).

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

13031111413320 is a wasteful number, since it uses less digits than its factorization.

13031111413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932085 (or 2932081 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13031111413320 its reverse (2331411113031), we get a palindrome (15362522526351).

It can be divided in two parts, 13031111 and 413320, that added together give a palindrome (13444431).

The spelling of 13031111413320 in words is "thirteen trillion, thirty-one billion, one hundred eleven million, four hundred thirteen thousand, three hundred twenty".