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10440021315 = 352924000049
BaseRepresentation
bin10011011100100011…
…00001010101000011
3222221120202000220010
421232101201111003
5132340121140230
64443541520003
7516466500633
oct115621412503
928846660803
1010440021315
114478135599
122034413003
13ca4c02209
147107846c3
154118299b0
hex26e461543

10440021315 has 16 divisors (see below), whose sum is σ = 17280036000. Its totient is φ = 5376010752.

The previous prime is 10440021281. The next prime is 10440021323. The reversal of 10440021315 is 51312004401.

It is not a de Polignac number, because 10440021315 - 223 = 10431632707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10440021291 and 10440021300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11999590 + ... + 12000459.

It is an arithmetic number, because the mean of its divisors is an integer number (1080002250).

Almost surely, 210440021315 is an apocalyptic number.

10440021315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10440021315 is a deficient number, since it is larger than the sum of its proper divisors (6840014685).

10440021315 is a wasteful number, since it uses less digits than its factorization.

10440021315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24000086.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10440021315 its reverse (51312004401), we get a palindrome (61752025716).

The spelling of 10440021315 in words is "ten billion, four hundred forty million, twenty-one thousand, three hundred fifteen".

Divisors: 1 3 5 15 29 87 145 435 24000049 72000147 120000245 360000735 696001421 2088004263 3480007105 10440021315