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47777480148 = 2233981456679
BaseRepresentation
bin101100011111110000…
…100111110111010100
311120022200202110112210
4230133300213313110
51240322013331043
633540525113420
73310653611016
oct543760476724
9146280673483
1047777480148
1119298161a92
1293146b8870
134675485018
1424534b01b6
1513996ca633
hexb1fc27dd4

47777480148 has 12 divisors (see below), whose sum is σ = 111480787040. Its totient is φ = 15925826712.

The previous prime is 47777480143. The next prime is 47777480171. The reversal of 47777480148 is 84108477774.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47777480143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990728328 + ... + 1990728351.

Almost surely, 247777480148 is an apocalyptic number.

It is an amenable number.

47777480148 is an abundant number, since it is smaller than the sum of its proper divisors (63703306892).

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

47777480148 is a wasteful number, since it uses less digits than its factorization.

47777480148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981456686 (or 3981456684 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 57.

The spelling of 47777480148 in words is "forty-seven billion, seven hundred seventy-seven million, four hundred eighty thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 3981456679 7962913358 11944370037 15925826716 23888740074 47777480148