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321054530105 = 5521220755843
BaseRepresentation
bin1001010110000000101…
…01110101101000111001
31010200200211201222100102
410223000111311220321
520230004424430410
6403253532445145
732124013323131
oct4530025655071
91120624658312
10321054530105
11114181a04401
12522806197b5
1324376b26a4a
14117794cbac1
158540ccd2a5
hex4ac0575a39

321054530105 has 16 divisors (see below), whose sum is σ = 386186724864. Its totient is φ = 256229900160.

The previous prime is 321054530101. The next prime is 321054530221. The reversal of 321054530105 is 501035450123.

It is not a de Polignac number, because 321054530105 - 22 = 321054530101 is a prime.

It is a super-2 number, since 2×3210545301052 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321054530101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5721314 + ... + 5777156.

It is an arithmetic number, because the mean of its divisors is an integer number (24136670304).

Almost surely, 2321054530105 is an apocalyptic number.

It is an amenable number.

321054530105 is a deficient number, since it is larger than the sum of its proper divisors (65132194759).

321054530105 is a wasteful number, since it uses less digits than its factorization.

321054530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58576.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 321054530105 its reverse (501035450123), we get a palindrome (822089980228).

The spelling of 321054530105 in words is "three hundred twenty-one billion, fifty-four million, five hundred thirty thousand, one hundred five".

Divisors: 1 5 521 2207 2605 11035 55843 279215 1149847 5749235 29094203 123245501 145471015 616227505 64210906021 321054530105