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321430324201340 = 22531151676900997
BaseRepresentation
bin100100100010101101101010…
…0010010110100011101111100
31120011002102211221201220222212
41021011123110102310131330
5314112303300443420330
63055343015153555552
7124463401035565214
oct11105332422643574
91504072757656885
10321430324201340
1193465920382072
1230073425275bb8
1310a479988aa103
14595344c7bb244
152726218b6d295
hex12456d44b477c

321430324201340 has 24 divisors (see below), whose sum is σ = 677174110677792. Its totient is φ = 128158714470080.

The previous prime is 321430324201321. The next prime is 321430324201369. The reversal of 321430324201340 is 43102423034123.

It is a junction number, because it is equal to n+sod(n) for n = 321430324201297 and 321430324201306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25838444279 + ... + 25838456718.

It is an arithmetic number, because the mean of its divisors is an integer number (28215587944908).

Almost surely, 2321430324201340 is an apocalyptic number.

It is an amenable number.

321430324201340 is an abundant number, since it is smaller than the sum of its proper divisors (355743786476452).

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

321430324201340 is a wasteful number, since it uses less digits than its factorization.

321430324201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51676901317 (or 51676901315 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321430324201340 its reverse (43102423034123), we get a palindrome (364532747235463).

The spelling of 321430324201340 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred twenty-four million, two hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 51676900997 103353801994 206707603988 258384504985 516769009970 1033538019940 16071516210067 32143032420134 64286064840268 80357581050335 160715162100670 321430324201340