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47516816368 = 2471931720301
BaseRepresentation
bin101100010000001110…
…010001001111110000
311112122112021101001201
4230100032101033300
51234303301110433
633455014140544
73301340163220
oct542016211760
9145575241051
1047516816368
111917400547a
129261351754
13463347a8b8
14242aa1a080
15138188ba7d
hexb103913f0

47516816368 has 80 divisors (see below), whose sum is σ = 114326333440. Its totient is φ = 18670176000.

The previous prime is 47516816293. The next prime is 47516816407. The reversal of 47516816368 is 86361861574.

It is a super-2 number, since 2×475168163682 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294183 + ... + 426118.

It is an arithmetic number, because the mean of its divisors is an integer number (1429079168).

Almost surely, 247516816368 is an apocalyptic number.

It is an amenable number.

47516816368 is an abundant number, since it is smaller than the sum of its proper divisors (66809517072).

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

47516816368 is a wasteful number, since it uses less digits than its factorization.

47516816368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720366 (or 720360 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

It can be divided in two parts, 475168 and 16368, that added together give a triangular number (491536 = T991).

The spelling of 47516816368 in words is "forty-seven billion, five hundred sixteen million, eight hundred sixteen thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 31 38 56 62 76 112 124 133 152 217 248 266 304 434 496 532 589 868 1064 1178 1736 2128 2356 3472 4123 4712 8246 9424 16492 32984 65968 720301 1440602 2881204 5042107 5762408 10084214 11524816 13685719 20168428 22329331 27371438 40336856 44658662 54742876 80673712 89317324 95800033 109485752 156305317 178634648 191600066 218971504 312610634 357269296 383200132 424257289 625221268 766400264 848514578 1250442536 1532800528 1697029156 2500885072 2969801023 3394058312 5939602046 6788116624 11879204092 23758408184 47516816368