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47124902320 = 245589061279
BaseRepresentation
bin101011111000110111…
…001111000110110000
311111122012211002001121
4223320313033012300
51233002433333240
633352054112024
73255541026526
oct537067170660
9144565732047
1047124902320
1118a92862671
12917204b614
1345a020a8b2
1423d095c316
15135c27404a
hexaf8dcf1b0

47124902320 has 20 divisors (see below), whose sum is σ = 109565398080. Its totient is φ = 18849960896.

The previous prime is 47124902303. The next prime is 47124902339. The reversal of 47124902320 is 2320942174.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×471249023204 (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294530560 + ... + 294530719.

It is an arithmetic number, because the mean of its divisors is an integer number (5478269904).

Almost surely, 247124902320 is an apocalyptic number.

47124902320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47124902320 is an abundant number, since it is smaller than the sum of its proper divisors (62440495760).

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

47124902320 is a wasteful number, since it uses less digits than its factorization.

47124902320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589061292 (or 589061286 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 47124902320 in words is "forty-seven billion, one hundred twenty-four million, nine hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 589061279 1178122558 2356245116 2945306395 4712490232 5890612790 9424980464 11781225580 23562451160 47124902320