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321101142425 = 5272843645397
BaseRepresentation
bin1001010110000110001…
…11101001100110011001
31010200211002110010102122
410223003013221212121
520230103343024200
6403302315511025
732125120451120
oct4530307514631
91120732403378
10321101142425
111141a6250988
1252294158475
13243836971bb
1411781782ab7
158544e39385
hex4ac31e9999

321101142425 has 24 divisors (see below), whose sum is σ = 455206954176. Its totient is φ = 220105851840.

The previous prime is 321101142409. The next prime is 321101142437. The reversal of 321101142425 is 524241101123.

It is a happy number.

It is not a de Polignac number, because 321101142425 - 24 = 321101142409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321101142394 and 321101142403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174827 + ... + 820223.

It is an arithmetic number, because the mean of its divisors is an integer number (18966956424).

Almost surely, 2321101142425 is an apocalyptic number.

321101142425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

321101142425 is a deficient number, since it is larger than the sum of its proper divisors (134105811751).

321101142425 is a wasteful number, since it uses less digits than its factorization.

321101142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648257 (or 648252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 321101142425 its reverse (524241101123), we get a palindrome (845342243548).

The spelling of 321101142425 in words is "three hundred twenty-one billion, one hundred one million, one hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 2843 14215 19901 71075 99505 497525 645397 3226985 4517779 16134925 22588895 112944475 1834863671 9174318355 12844045697 45871591775 64220228485 321101142425