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11257995169 = 139180144971
BaseRepresentation
bin10100111110000011…
…10101111110100001
31002001120220102002001
422133001311332201
5141024021321134
65101041524001
7545661244231
oct123701657641
932046812061
1011257995169
114857932443
122222343601
1310a5509205
1478b26bcc1
1545d552414
hex29f075fa1

11257995169 has 8 divisors (see below), whose sum is σ = 11345536160. Its totient is φ = 11170548000.

The previous prime is 11257995167. The next prime is 11257995227. The reversal of 11257995169 is 96159975211.

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 11257995169 - 21 = 11257995167 is a prime.

It is a super-3 number, since 3×112579951693 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11257995167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227854 + ... + 272824.

It is an arithmetic number, because the mean of its divisors is an integer number (1418192020).

Almost surely, 211257995169 is an apocalyptic number.

It is an amenable number.

11257995169 is a deficient number, since it is larger than the sum of its proper divisors (87540991).

11257995169 is a wasteful number, since it uses less digits than its factorization.

11257995169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46911.

The product of its digits is 1530900, while the sum is 55.

The spelling of 11257995169 in words is "eleven billion, two hundred fifty-seven million, nine hundred ninety-five thousand, one hundred sixty-nine".

Divisors: 1 139 1801 44971 250339 6250969 80992771 11257995169