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10971440943 = 317215126293
BaseRepresentation
bin10100011011111001…
…01110011100101111
31001022121200221120120
422031330232130233
5134432142102233
65012404020023
7535611465201
oct121574563457
931277627516
1010971440943
114720101a71
122162391613
13105b0384b8
14761198771
154432ec4b3
hex28df2e72f

10971440943 has 8 divisors (see below), whose sum is σ = 15489093168. Its totient is φ = 6884041344.

The previous prime is 10971440941. The next prime is 10971440957. The reversal of 10971440943 is 34904417901.

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

It is not a de Polignac number, because 10971440943 - 21 = 10971440941 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 10971440895 and 10971440904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971440941) 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, 107563096 + ... + 107563197.

It is an arithmetic number, because the mean of its divisors is an integer number (1936136646).

Almost surely, 210971440943 is an apocalyptic number.

10971440943 is a deficient number, since it is larger than the sum of its proper divisors (4517652225).

10971440943 is a wasteful number, since it uses less digits than its factorization.

10971440943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215126313.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 10971440943 in words is "ten billion, nine hundred seventy-one million, four hundred forty thousand, nine hundred forty-three".

Divisors: 1 3 17 51 215126293 645378879 3657146981 10971440943