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13243304244020 = 225662165212201
BaseRepresentation
bin1100000010110111001001…
…1100011111001100110100
31201220001021122100201221112
43000231302130133030310
53213434241341302040
644055520122534152
72534540265505604
oct300556234371464
951801248321845
1013243304244020
1142464a9aa2414
12159a783967358
13750ab8796b06
1433ad9d476c04
1517e74e733365
hexc0b7271f334

13243304244020 has 12 divisors (see below), whose sum is σ = 27810938912484. Its totient is φ = 5297321697600.

The previous prime is 13243304244007. The next prime is 13243304244073. The reversal of 13243304244020 is 2044240334231.

13243304244020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8911860855076 + 4331443388944 = 2985274^2 + 2081212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331082606081 + ... + 331082606120.

It is an arithmetic number, because the mean of its divisors is an integer number (2317578242707).

Almost surely, 213243304244020 is an apocalyptic number.

13243304244020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13243304244020 is an abundant number, since it is smaller than the sum of its proper divisors (14567634668464).

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

13243304244020 is a wasteful number, since it uses less digits than its factorization.

13243304244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662165212210 (or 662165212208 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 13243304244020 its reverse (2044240334231), we get a palindrome (15287544578251).

The spelling of 13243304244020 in words is "thirteen trillion, two hundred forty-three billion, three hundred four million, two hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 662165212201 1324330424402 2648660848804 3310826061005 6621652122010 13243304244020