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5178857980 = 225733547163
BaseRepresentation
bin1001101001010111…
…10001100111111100
3111100220221020120211
410310223301213330
541101241423410
62213520522204
7242223365212
oct46453614774
914326836524
105178857980
11221836a71a
121006480364
13646c22a0a
14371b3ccb2
152049d668a
hex134af19fc

5178857980 has 24 divisors (see below), whose sum is σ = 11024585712. Its totient is φ = 2043165312.

The previous prime is 5178857941. The next prime is 5178857989. The reversal of 5178857980 is 897588715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178857989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772122 + ... + 1775041.

It is an arithmetic number, because the mean of its divisors is an integer number (459357738).

Almost surely, 25178857980 is an apocalyptic number.

It is an amenable number.

5178857980 is an abundant number, since it is smaller than the sum of its proper divisors (5845727732).

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

5178857980 is a wasteful number, since it uses less digits than its factorization.

5178857980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547245 (or 3547243 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 58.

The square root of 5178857980 is about 71964.2826685572. The cubic root of 5178857980 is about 1730.1270669696.

The spelling of 5178857980 in words is "five billion, one hundred seventy-eight million, eight hundred fifty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 3547163 7094326 14188652 17735815 35471630 70943260 258942899 517885798 1035771596 1294714495 2589428990 5178857980