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11970825247 = 17704166191
BaseRepresentation
bin10110010011000010…
…00100110000011111
31010220021012221010001
423021201010300133
5144004012401442
65255504155131
7602435223103
oct131141046037
933807187101
1011970825247
115093245207
1223a1008aa7
13118a0bb364
14817bc5903
154a0e0b2b7
hex2c9844c1f

11970825247 has 4 divisors (see below), whose sum is σ = 12674991456. Its totient is φ = 11266659040.

The previous prime is 11970825199. The next prime is 11970825343. The reversal of 11970825247 is 74252807911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11970825247 - 215 = 11970792479 is a prime.

It is a super-2 number, since 2×119708252472 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11970825197 and 11970825206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970825547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352083079 + ... + 352083112.

It is an arithmetic number, because the mean of its divisors is an integer number (3168747864).

Almost surely, 211970825247 is an apocalyptic number.

11970825247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11970825247 is a deficient number, since it is larger than the sum of its proper divisors (704166209).

11970825247 is an equidigital number, since it uses as much as digits as its factorization.

11970825247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704166208.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 11970825247 in words is "eleven billion, nine hundred seventy million, eight hundred twenty-five thousand, two hundred forty-seven".

Divisors: 1 17 704166191 11970825247