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56406321001 = 435922233473
BaseRepresentation
bin110100100010000101…
…000010011101101001
312101121001102222221001
4310202011002131221
51411010004233001
641525051115001
74034541550312
oct644205023551
9171531388831
1056406321001
1121a15996918
12ab22442a61
13541c081204
142a314ab609
151701ede001
hexd22142769

56406321001 has 8 divisors (see below), whose sum is σ = 58696371360. Its totient is φ = 54160737792.

The previous prime is 56406320989. The next prime is 56406321029. The reversal of 56406321001 is 10012360465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56406321001 - 227 = 56272103273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56406321701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11114200 + ... + 11119273.

It is an arithmetic number, because the mean of its divisors is an integer number (7337046420).

Almost surely, 256406321001 is an apocalyptic number.

It is an amenable number.

56406321001 is a deficient number, since it is larger than the sum of its proper divisors (2290050359).

56406321001 is a wasteful number, since it uses less digits than its factorization.

56406321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22233575.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 56406321001 its reverse (10012360465), we get a palindrome (66418681466).

The spelling of 56406321001 in words is "fifty-six billion, four hundred six million, three hundred twenty-one thousand, one".

Divisors: 1 43 59 2537 22233473 956039339 1311774907 56406321001