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13032320310020 = 2251117149151154877
BaseRepresentation
bin1011110110100101001011…
…0100101001101100000100
31201010212200210212101121202
42331221102310221230010
53202010142444410040
643414544301002032
72513361021611444
oct275512264515404
951125623771552
1013032320310020
114174a81077010
121565901853318
13736c33986c0b
14330aa66a8124
15179001d45015
hexbda52d29b04

13032320310020 has 192 divisors, whose sum is σ = 32035213324800. Its totient is φ = 4400956416000.

The previous prime is 13032320310019. The next prime is 13032320310049. The reversal of 13032320310020 is 2001302323031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13032320309974 and 13032320310001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84068822 + ... + 84223698.

It is an arithmetic number, because the mean of its divisors is an integer number (166850069400).

Almost surely, 213032320310020 is an apocalyptic number.

13032320310020 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 13032320310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16017606662400).

13032320310020 is an abundant number, since it is smaller than the sum of its proper divisors (19002893014780).

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

13032320310020 is a wasteful number, since it uses less digits than its factorization.

13032320310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155214 (or 155212 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13032320310020 its reverse (2001302323031), we get a palindrome (15033622633051).

The spelling of 13032320310020 in words is "thirteen trillion, thirty-two billion, three hundred twenty million, three hundred ten thousand, twenty".