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11072140257 = 311293269011
BaseRepresentation
bin10100100111111001…
…10111001111100001
31001120122012000001210
422103330313033201
5140133431442012
65030402220333
7541243432203
oct122374671741
931518160053
1011072140257
114771a30942
1221900546a9
131075b653a9
147706cc773
1544c08e23c
hex293f373e1

11072140257 has 8 divisors (see below), whose sum is σ = 14775934240. Its totient is φ = 7374886560.

The previous prime is 11072140253. The next prime is 11072140267. The reversal of 11072140257 is 75204127011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11072140257 - 22 = 11072140253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11072140253) 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, 1631119 + ... + 1637892.

It is an arithmetic number, because the mean of its divisors is an integer number (1846991780).

Almost surely, 211072140257 is an apocalyptic number.

It is an amenable number.

11072140257 is a deficient number, since it is larger than the sum of its proper divisors (3703793983).

11072140257 is a wasteful number, since it uses less digits than its factorization.

11072140257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270143.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 11072140257 its reverse (75204127011), we get a palindrome (86276267268).

The spelling of 11072140257 in words is "eleven billion, seventy-two million, one hundred forty thousand, two hundred fifty-seven".

Divisors: 1 3 1129 3387 3269011 9807033 3690713419 11072140257