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10211011609 = 163523311971
BaseRepresentation
bin10011000001001111…
…11010110000011001
3222100121211010122011
421200213322300121
5131403004332414
64405121225521
7511016111101
oct114047726031
928317733564
1010211011609
11436a939177
121b8b7922a1
13c6962b906
146cc1b0201
153eb68edc4
hex2609fac19

10211011609 has 8 divisors (see below), whose sum is σ = 10276477472. Its totient is φ = 10145580480.

The previous prime is 10211011607. The next prime is 10211011627. The reversal of 10211011609 is 90611011201.

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 10211011609 - 21 = 10211011607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211011609.

It is not an unprimeable number, because it can be changed into a prime (10211011607) 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, 846994 + ... + 858964.

It is an arithmetic number, because the mean of its divisors is an integer number (1284559684).

Almost surely, 210211011609 is an apocalyptic number.

It is an amenable number.

10211011609 is a deficient number, since it is larger than the sum of its proper divisors (65465863).

10211011609 is a wasteful number, since it uses less digits than its factorization.

10211011609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 10211011609 in words is "ten billion, two hundred eleven million, eleven thousand, six hundred nine".

Divisors: 1 163 5233 11971 852979 1951273 62644243 10211011609