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11169741969 = 34117432
BaseRepresentation
bin10100110011100010…
…01011110010010001
31001211102211200110000
422121301023302101
5140333423220334
65044210200213
7543540145251
oct123161136221
931742750400
1011169741969
114812034511
1221b8883069
131090149399
1477d657961
1545591d299
hex299c4bc91

11169741969 has 15 divisors (see below), whose sum is σ = 16687084953. Its totient is φ = 7445860524.

The previous prime is 11169741949. The next prime is 11169742013. The reversal of 11169741969 is 96914796111.

The square root of 11169741969 is 105687.

It is a perfect power (a square), and thus also a powerful number.

11169741969 is a `hidden beast` number, since 1 + 1 + 169 + 7 + 419 + 69 = 666.

It is not a de Polignac number, because 11169741969 - 225 = 11136187537 is a prime.

It is a super-2 number, since 2×111697419692 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11169741949) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 945312 + ... + 957054.

Almost surely, 211169741969 is an apocalyptic number.

11169741969 is the 105687-th square number.

11169741969 is the 52844-th centered octagonal number.

It is an amenable number.

11169741969 is a deficient number, since it is larger than the sum of its proper divisors (5517342984).

11169741969 is an frugal number, since it uses more digits than its factorization.

11169741969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23498 (or 11746 counting only the distinct ones).

The product of its digits is 734832, while the sum is 54.

The spelling of 11169741969 in words is "eleven billion, one hundred sixty-nine million, seven hundred forty-one thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 81 11743 35229 105687 317061 951183 137898049 413694147 1241082441 3723247323 11169741969