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10440430121 = 112311410701
BaseRepresentation
bin10011011100100110…
…00101001000101001
3222221121111210200002
421232103011020221
5132340222230441
64443554352345
7516503122532
oct115623051051
928847453602
1010440430121
114478394750
12203458b6b5
13ca5016304
1471084d689
154118aab9b
hex26e4c5229

10440430121 has 8 divisors (see below), whose sum is σ = 11394516288. Its totient is φ = 9487170000.

The previous prime is 10440430093. The next prime is 10440430151. The reversal of 10440430121 is 12103404401.

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

It is not a de Polignac number, because 10440430121 - 230 = 9366688297 is a prime.

It is a super-2 number, since 2×104404301212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10440430093 and 10440430102.

It is not an unprimeable number, because it can be changed into a prime (10440430151) 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, 179930 + ... + 230771.

It is an arithmetic number, because the mean of its divisors is an integer number (1424314536).

Almost surely, 210440430121 is an apocalyptic number.

10440430121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10440430121 is a deficient number, since it is larger than the sum of its proper divisors (954086167).

10440430121 is a wasteful number, since it uses less digits than its factorization.

10440430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413023.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10440430121 its reverse (12103404401), we get a palindrome (22543834522).

The spelling of 10440430121 in words is "ten billion, four hundred forty million, four hundred thirty thousand, one hundred twenty-one".

Divisors: 1 11 2311 25421 410701 4517711 949130011 10440430121