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331362146634420 = 2235113174496175717
BaseRepresentation
bin100101101010111110100001…
…1000010101100101010110100
31121110020220121201211221011010
41023111331003002230222310
5321413014134014300140
63132425400233112220
7126540060616422036
oct11325750302545264
91543226551757133
10331362146634420
11966449961aaa60
12311b8254558670
13112b8416033a55
145bb8028d69c56
15284975348a880
hex12d5f430acab4

331362146634420 has 384 divisors, whose sum is σ = 1019442623270400. Its totient is φ = 79755016929280.

The previous prime is 331362146634401. The next prime is 331362146634511. The reversal of 331362146634420 is 24436641263133.

It is a self number, because there is not a number n which added to its sum of digits gives 331362146634420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57960841402 + ... + 57960847118.

It is an arithmetic number, because the mean of its divisors is an integer number (2654798498100).

Almost surely, 2331362146634420 is an apocalyptic number.

331362146634420 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 331362146634420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509721311635200).

331362146634420 is an abundant number, since it is smaller than the sum of its proper divisors (688080476635980).

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

331362146634420 is a wasteful number, since it uses less digits than its factorization.

331362146634420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 48.

Adding to 331362146634420 its reverse (24436641263133), we get a palindrome (355798787897553).

The spelling of 331362146634420 in words is "three hundred thirty-one trillion, three hundred sixty-two billion, one hundred forty-six million, six hundred thirty-four thousand, four hundred twenty".