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13130323001320 = 2357415935354917
BaseRepresentation
bin1011111100010010010000…
…1111001111111111101000
31201111020122210012221102011
42333010210033033333220
53210111400142020240
643531553114445304
72523430434004510
oct277044417177750
951436583187364
1013130323001320
1142025a2033568
1215808b2733834
13743251752295
14335722370840
1517b83aa4e6ea
hexbf1243cffe8

13130323001320 has 256 divisors, whose sum is σ = 35273699596800. Its totient is φ = 4305273815040.

The previous prime is 13130323001311. The next prime is 13130323001329. The reversal of 13130323001320 is 2310032303131.

It is an interprime number because it is at equal distance from previous prime (13130323001311) and next prime (13130323001329).

It is a junction number, because it is equal to n+sod(n) for n = 13130323001291 and 13130323001300.

It is not an unprimeable number, because it can be changed into a prime (13130323001329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239066502 + ... + 239121418.

It is an arithmetic number, because the mean of its divisors is an integer number (137787889050).

Almost surely, 213130323001320 is an apocalyptic number.

13130323001320 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 13130323001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17636849798400).

13130323001320 is an abundant number, since it is smaller than the sum of its proper divisors (22143376595480).

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

13130323001320 is a wasteful number, since it uses less digits than its factorization.

13130323001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55388 (or 55384 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13130323001320 its reverse (2310032303131), we get a palindrome (15440355304451).

The spelling of 13130323001320 in words is "thirteen trillion, one hundred thirty billion, three hundred twenty-three million, one thousand, three hundred twenty".