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47789430648 = 23319104801383
BaseRepresentation
bin101100100000011110…
…001101011101111000
311120100112020121112220
4230200132031131320
51240333043240043
633542033204040
73311160313101
oct544036153570
9146315217486
1047789430648
11192a3984633
129318700620
134677aaa61b
142454d013a8
15139a78b483
hexb2078d778

47789430648 has 32 divisors (see below), whose sum is σ = 125761660800. Its totient is φ = 15091399008.

The previous prime is 47789430617. The next prime is 47789430691. The reversal of 47789430648 is 84603498774.

47789430648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47789430591 and 47789430600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52400236 + ... + 52401147.

It is an arithmetic number, because the mean of its divisors is an integer number (3930051900).

Almost surely, 247789430648 is an apocalyptic number.

It is an amenable number.

47789430648 is an abundant number, since it is smaller than the sum of its proper divisors (77972230152).

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

47789430648 is a wasteful number, since it uses less digits than its factorization.

47789430648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104801411 (or 104801407 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 47789430648 in words is "forty-seven billion, seven hundred eighty-nine million, four hundred thirty thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 104801383 209602766 314404149 419205532 628808298 838411064 1257616596 1991226277 2515233192 3982452554 5973678831 7964905108 11947357662 15929810216 23894715324 47789430648