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5179772108 = 227184991861
BaseRepresentation
bin1001101001011110…
…10000110011001100
3111100222122200112102
410310233100303030
541102010201413
62213552254232
7242234223260
oct46457206314
914328580472
105179772108
1122189344a5
121006841378
13647182b14
14371cda0a0
15204b17458
hex134bd0ccc

5179772108 has 12 divisors (see below), whose sum is σ = 10359544272. Its totient is φ = 2219902320.

The previous prime is 5179772107. The next prime is 5179772111. The reversal of 5179772108 is 8012779715.

5179772108 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5179772107) 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, 92495903 + ... + 92495958.

It is an arithmetic number, because the mean of its divisors is an integer number (863295356).

Almost surely, 25179772108 is an apocalyptic number.

It is an amenable number.

5179772108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5179772108 is a wasteful number, since it uses less digits than its factorization.

5179772108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184991872 (or 184991870 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 47.

The square root of 5179772108 is about 71970.6336501215. The cubic root of 5179772108 is about 1730.2288567565.

The spelling of 5179772108 in words is "five billion, one hundred seventy-nine million, seven hundred seventy-two thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 184991861 369983722 739967444 1294943027 2589886054 5179772108