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47908923216 = 243711311732417
BaseRepresentation
bin101100100111100110…
…000010011101010000
311120122212002110112120
4230213212002131100
51241104141020331
634001542254240
73314141061660
oct544746023520
9146585073476
1047908923216
111935537a120
129350727380
13469678759b
142466b281a0
1513a5ee1796
hexb27982750

47908923216 has 320 divisors, whose sum is σ = 160268599296. Its totient is φ = 11967897600.

The previous prime is 47908923199. The next prime is 47908923221. The reversal of 47908923216 is 61232980974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19820440 + ... + 19822856.

Almost surely, 247908923216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47908923216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80134299648).

47908923216 is an abundant number, since it is smaller than the sum of its proper divisors (112359676080).

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

47908923216 is a wasteful number, since it uses less digits than its factorization.

47908923216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 47908923216 in words is "forty-seven billion, nine hundred eight million, nine hundred twenty-three thousand, two hundred sixteen".