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10885389617 = 193659156577
BaseRepresentation
bin10100010001101000…
…11101110100110001
31001002121210002100102
422020310131310301
5134243124431432
65000051402145
7533515166534
oct121064356461
931077702312
1010885389617
114686578373
1221395b3355
13104626995b
14753998a1b
1543a9a0962
hex288d1dd31

10885389617 has 8 divisors (see below), whose sum is σ = 11461509600. Its totient is φ = 10309590144.

The previous prime is 10885389563. The next prime is 10885389667. The reversal of 10885389617 is 71698358801.

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 10885389617 - 212 = 10885385521 is a prime.

It is a super-2 number, since 2×108853896172 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10885389667) 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, 8768 + ... + 147809.

It is an arithmetic number, because the mean of its divisors is an integer number (1432688700).

Almost surely, 210885389617 is an apocalyptic number.

It is an amenable number.

10885389617 is a deficient number, since it is larger than the sum of its proper divisors (576119983).

10885389617 is a wasteful number, since it uses less digits than its factorization.

10885389617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160255.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 10885389617 in words is "ten billion, eight hundred eighty-five million, three hundred eighty-nine thousand, six hundred seventeen".

Divisors: 1 19 3659 69521 156577 2974963 572915243 10885389617