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10440121471 = 136191297393
BaseRepresentation
bin10011011100100011…
…11001110001111111
3222221120221010021121
421232101321301333
5132340132341341
64443544011411
7516500365633
oct115621716177
928846833247
1010440121471
1144781a386a
122034460b67
13ca4c38990
147107acdc3
154118494d1
hex26e479c7f

10440121471 has 8 divisors (see below), whose sum is σ = 11261379920. Its totient is φ = 9621459072.

The previous prime is 10440121459. The next prime is 10440121477. The reversal of 10440121471 is 17412104401.

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 10440121471 - 229 = 9903250559 is a prime.

It is a super-3 number, since 3×104401214713 (a number of 31 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 (10440121477) 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, 640650 + ... + 656743.

It is an arithmetic number, because the mean of its divisors is an integer number (1407672490).

Almost surely, 210440121471 is an apocalyptic number.

10440121471 is a deficient number, since it is larger than the sum of its proper divisors (821258449).

10440121471 is a wasteful number, since it uses less digits than its factorization.

10440121471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298025.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 10440121471 its reverse (17412104401), we get a palindrome (27852225872).

The spelling of 10440121471 in words is "ten billion, four hundred forty million, one hundred twenty-one thousand, four hundred seventy-one".

Divisors: 1 13 619 8047 1297393 16866109 803086267 10440121471