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11027250905 = 511261298801
BaseRepresentation
bin10100100010100011…
…00111111011011001
31001110111201101110012
422101101213323121
5140040434012110
65022120131305
7540160041356
oct122121477331
931414641405
1011027250905
114749660900
122179006b35
131069779248
1476876562d
15448173905
hex291467ed9

11027250905 has 24 divisors (see below), whose sum is σ = 14783527752. Its totient is φ = 7888320000.

The previous prime is 11027250877. The next prime is 11027250907. The reversal of 11027250905 is 50905272011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 788037184 + 10239213721 = 28072^2 + 101189^2 .

It is not a de Polignac number, because 11027250905 - 224 = 11010473689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11027250907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112496 + ... + 186305.

It is an arithmetic number, because the mean of its divisors is an integer number (615980323).

Almost surely, 211027250905 is an apocalyptic number.

It is an amenable number.

11027250905 is a deficient number, since it is larger than the sum of its proper divisors (3756276847).

11027250905 is a wasteful number, since it uses less digits than its factorization.

11027250905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298889 (or 298878 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 11027250905 in words is "eleven billion, twenty-seven million, two hundred fifty thousand, nine hundred five".

Divisors: 1 5 11 55 61 121 305 605 671 3355 7381 36905 298801 1494005 3286811 16434055 18226861 36154921 91134305 180774605 200495471 1002477355 2205450181 11027250905