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313223323020 = 2235891012712143
BaseRepresentation
bin1001000111011011001…
…00001001110110001100
31002221111001221102210120
410203231210021312030
520112440132314040
6355520502504540
731425652213446
oct4435544116614
91087431842716
10313223323020
11110923444633
1250855a35150
13236c95626ba
1411235401496
1582335257d0
hex48ed909d8c

313223323020 has 192 divisors, whose sum is σ = 899385016320. Its totient is φ = 81430272000.

The previous prime is 313223323013. The next prime is 313223323117. The reversal of 313223323020 is 20323322313.

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, 146160069 + ... + 146162211.

It is an arithmetic number, because the mean of its divisors is an integer number (4684296960).

Almost surely, 2313223323020 is an apocalyptic number.

313223323020 is a gapful number since it is divisible by the number (30) 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 313223323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449692508160).

313223323020 is an abundant number, since it is smaller than the sum of its proper divisors (586161693300).

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

313223323020 is a wasteful number, since it uses less digits than its factorization.

313223323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 313223323020 its reverse (20323322313), we get a palindrome (333546645333).

The spelling of 313223323020 in words is "three hundred thirteen billion, two hundred twenty-three million, three hundred twenty-three thousand, twenty".