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47320516180 = 2257248286241
BaseRepresentation
bin101100000100100001…
…011100011001010100
311112010211220021211101
4230010201130121110
51233403023004210
633423322515444
73263434515400
oct540441343124
9145124807741
1047320516180
111908321a213
129207665b84
1346018ba642
14240c91c100
15136e513a3a
hexb0485c654

47320516180 has 36 divisors (see below), whose sum is σ = 115597263348. Its totient is φ = 16224176640.

The previous prime is 47320516169. The next prime is 47320516249. The reversal of 47320516180 is 8161502374.

It can be written as a sum of positive squares in 2 ways, for example, as 12951805636 + 34368710544 = 113806^2 + 185388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24142141 + ... + 24144100.

It is an arithmetic number, because the mean of its divisors is an integer number (3211035093).

Almost surely, 247320516180 is an apocalyptic number.

It is an amenable number.

47320516180 is an abundant number, since it is smaller than the sum of its proper divisors (68276747168).

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

47320516180 is a wasteful number, since it uses less digits than its factorization.

47320516180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48286264 (or 48286255 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 47320516180 in words is "forty-seven billion, three hundred twenty million, five hundred sixteen thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 48286241 96572482 193144964 241431205 338003687 482862410 676007374 965724820 1352014748 1690018435 2366025809 3380036870 4732051618 6760073740 9464103236 11830129045 23660258090 47320516180