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47538662345780 = 22523293563617867
BaseRepresentation
bin10101100111100011101010…
…00101010000110000110100
320020022122121010010100210212
422303301311011100300310
522212333140030031110
6245034543205204552
713004361240515564
oct1263616505206064
9206278533110725
1047538662345780
11141690406224a1
1253b9389a00758
13206ab51c33528
14ba4c525bcda4
155768ca3a8e05
hex2b3c75150c34

47538662345780 has 48 divisors (see below), whose sum is σ = 107763804328320. Its totient is φ = 17561508843648.

The previous prime is 47538662345761. The next prime is 47538662345891. The reversal of 47538662345780 is 8754326683574.

It is a self number, because there is not a number n which added to its sum of digits gives 47538662345780.

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, 1781795594 + ... + 1781822273.

It is an arithmetic number, because the mean of its divisors is an integer number (2245079256840).

Almost surely, 247538662345780 is an apocalyptic number.

It is an amenable number.

47538662345780 is an abundant number, since it is smaller than the sum of its proper divisors (60225141982540).

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

47538662345780 is a wasteful number, since it uses less digits than its factorization.

47538662345780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563617928 (or 3563617926 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 68.

The spelling of 47538662345780 in words is "forty-seven trillion, five hundred thirty-eight billion, six hundred sixty-two million, three hundred forty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 23 29 46 58 92 115 116 145 230 290 460 580 667 1334 2668 3335 6670 13340 3563617867 7127235734 14254471468 17818089335 35636178670 71272357340 81963210941 103344918143 163926421882 206689836286 327852843764 409816054705 413379672572 516724590715 819632109410 1033449181430 1639264218820 2066898362860 2376933117289 4753866234578 9507732469156 11884665586445 23769331172890 47538662345780