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52799999991 = 349193577963
BaseRepresentation
bin110001001011001000…
…000000111111110111
312001021201111220112020
4301023020000333313
51331113244444431
640131143124223
73546301411014
oct611310007767
9161251456466
1052799999991
1120435250532
12a296743673
134c95b99c5b
1427ac55470b
1515905ce696
hexc4b200ff7

52799999991 has 8 divisors (see below), whose sum is σ = 70414331520. Its totient is φ = 35192834232.

The previous prime is 52799999971. The next prime is 52800000007. The reversal of 52799999991 is 19999999725.

52799999991 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 not a de Polignac number, because 52799999991 - 218 = 52799737847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52799999971) 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, 1774225 + ... + 1803738.

It is an arithmetic number, because the mean of its divisors is an integer number (8801791440).

Almost surely, 252799999991 is an apocalyptic number.

52799999991 is a deficient number, since it is larger than the sum of its proper divisors (17614331529).

52799999991 is a wasteful number, since it uses less digits than its factorization.

52799999991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582885.

The product of its digits is 334807830, while the sum is 78.

The spelling of 52799999991 in words is "fifty-two billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-one".

Divisors: 1 3 4919 14757 3577963 10733889 17599999997 52799999991