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11916253847 = 229115345131
BaseRepresentation
bin10110001100100001…
…11001101010010111
31010202110112102020002
423012100321222113
5143401030110342
65250234401515
7601203325601
oct130620715227
933673472202
1011916253847
115065461983
12238689029b
13117b9c22a4
1481085c171
1549b22bd32
hex2c6439a97

11916253847 has 8 divisors (see below), whose sum is σ = 11978935440. Its totient is φ = 11853665280.

The previous prime is 11916253801. The next prime is 11916253871. The reversal of 11916253847 is 74835261911.

11916253847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11916253847 - 210 = 11916252823 is a prime.

It is a super-2 number, since 2×119162538472 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11916213847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241472 + ... + 286602.

It is an arithmetic number, because the mean of its divisors is an integer number (1497366930).

Almost surely, 211916253847 is an apocalyptic number.

11916253847 is a deficient number, since it is larger than the sum of its proper divisors (62681593).

11916253847 is a wasteful number, since it uses less digits than its factorization.

11916253847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46513.

The product of its digits is 362880, while the sum is 47.

The spelling of 11916253847 in words is "eleven billion, nine hundred sixteen million, two hundred fifty-three thousand, eight hundred forty-seven".

Divisors: 1 229 1153 45131 264037 10334999 52036043 11916253847