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47042317160 = 2358059145931
BaseRepresentation
bin101011110011111100…
…001100101101101000
311111102110102022111222
4223303330030231220
51232320313122120
633335544041212
73253516045466
oct536374145550
9144373368458
1047042317160
1118a50186173
12914a463208
134589083937
1423c39c1836
151354dae525
hexaf3f0cb68

47042317160 has 32 divisors (see below), whose sum is σ = 105859072800. Its totient is φ = 18814463040.

The previous prime is 47042317141. The next prime is 47042317163. The reversal of 47042317160 is 6171324074.

It is a self number, because there is not a number n which added to its sum of digits gives 47042317160.

It is not an unprimeable number, because it can be changed into a prime (47042317163) 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, 249395 + ... + 395325.

It is an arithmetic number, because the mean of its divisors is an integer number (3308096025).

Almost surely, 247042317160 is an apocalyptic number.

47042317160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47042317160 is an abundant number, since it is smaller than the sum of its proper divisors (58816755640).

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

47042317160 is a wasteful number, since it uses less digits than its factorization.

47042317160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154001 (or 153997 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 47042317160 in words is "forty-seven billion, forty-two million, three hundred seventeen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 8059 16118 32236 40295 64472 80590 145931 161180 291862 322360 583724 729655 1167448 1459310 2918620 5837240 1176057929 2352115858 4704231716 5880289645 9408463432 11760579290 23521158580 47042317160