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461064502421 = 1997281890287
BaseRepresentation
bin1101011010110011001…
…01011111110010010101
31122002002101012111112122
412231121211133302111
530023230003034141
6551450552225325
745211415415215
oct6553145376225
91562071174478
10461064502421
11168599989926
127543569b245
133462a79ab03
141845c194245
15bed781e64b
hex6b5995fc95

461064502421 has 16 divisors (see below), whose sum is σ = 492079983360. Its totient is φ = 430755978240.

The previous prime is 461064502417. The next prime is 461064502441. The reversal of 461064502421 is 124205460164.

It is a cyclic number.

It is not a de Polignac number, because 461064502421 - 22 = 461064502417 is a prime.

It is a super-3 number, since 3×4610645024213 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461064502411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72740 + ... + 963026.

It is an arithmetic number, because the mean of its divisors is an integer number (30754998960).

Almost surely, 2461064502421 is an apocalyptic number.

It is an amenable number.

461064502421 is a deficient number, since it is larger than the sum of its proper divisors (31015480939).

461064502421 is a wasteful number, since it uses less digits than its factorization.

461064502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890684.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 461064502421 its reverse (124205460164), we get a palindrome (585269962585).

The spelling of 461064502421 in words is "four hundred sixty-one billion, sixty-four million, five hundred two thousand, four hundred twenty-one".

Divisors: 1 19 97 281 1843 5339 27257 517883 890287 16915453 86357839 250170647 1640798941 4753242293 24266552759 461064502421