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11453420885 = 517313240949
BaseRepresentation
bin10101010101010110…
…10101010101010101
31002120012122001202112
422222223111111111
5141424033432020
65132302320405
7553553320424
oct125253252525
932505561675
1011453420885
1149481806a5
122277889105
131106b5142a
147a91bd2bb
154707a62c5
hex2aaad5555

11453420885 has 8 divisors (see below), whose sum is σ = 13823551800. Its totient is φ = 9109772224.

The previous prime is 11453420879. The next prime is 11453420911. The reversal of 11453420885 is 58802435411.

It can be written as a sum of positive squares in 4 ways, for example, as 6220634641 + 5232786244 = 78871^2 + 72338^2 .

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 11453420885 - 216 = 11453355349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619610 + ... + 6621339.

It is an arithmetic number, because the mean of its divisors is an integer number (1727943975).

Almost surely, 211453420885 is an apocalyptic number.

It is an amenable number.

11453420885 is a deficient number, since it is larger than the sum of its proper divisors (2370130915).

11453420885 is a wasteful number, since it uses less digits than its factorization.

11453420885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241127.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 11453420885 in words is "eleven billion, four hundred fifty-three million, four hundred twenty thousand, eight hundred eighty-five".

Divisors: 1 5 173 865 13240949 66204745 2290684177 11453420885