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321420021041441 = 7292391191395697
BaseRepresentation
bin100100100010101000110111…
…0001011011000100100100001
31120011001110020220112011200002
41021011101232023120210201
5314112121200341311231
63055334152541305345
7124462554520303160
oct11105215613304441
91504043226464602
10321420021041441
1193461513525593
123007142a865255
1310a46a161567aa
145952b522a13d7
152725d1437a0cb
hex124546e2d8921

321420021041441 has 24 divisors (see below), whose sum is σ = 380450749735680. Its totient is φ = 265995785615616.

The previous prime is 321420021041417. The next prime is 321420021041453. The reversal of 321420021041441 is 144140120024123.

It is not a de Polignac number, because 321420021041441 - 214 = 321420021025057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321420021941441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229595705 + ... + 230991401.

It is an arithmetic number, because the mean of its divisors is an integer number (15852114572320).

Almost surely, 2321420021041441 is an apocalyptic number.

It is an amenable number.

321420021041441 is a deficient number, since it is larger than the sum of its proper divisors (59030728694239).

321420021041441 is a wasteful number, since it uses less digits than its factorization.

321420021041441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434881 (or 1434852 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 321420021041441 its reverse (144140120024123), we get a palindrome (465560141065564).

The spelling of 321420021041441 in words is "three hundred twenty-one trillion, four hundred twenty billion, twenty-one million, forty-one thousand, four hundred forty-one".

Divisors: 1 7 29 203 841 5887 39119 273833 1134451 1395697 7941157 9769879 32899079 40475213 230293553 283326491 1173781177 8216468239 54598270943 382187896601 1583349857347 11083449001429 45917145863063 321420021041441