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48020551783 = 460731042271
BaseRepresentation
bin101100101110001111…
…110111100001100111
311120221122010210010221
4230232033313201213
51241321230124113
634021011025211
73316664645461
oct545617674147
9146848123127
1048020551783
1119402393336
129381b9b207
1346b393cca9
1424778a5131
1513b0be198d
hexb2e3f7867

48020551783 has 4 divisors (see below), whose sum is σ = 48021640128. Its totient is φ = 48019463440.

The previous prime is 48020551769. The next prime is 48020551793. The reversal of 48020551783 is 38715502084.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48020551783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48020551793) 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, 475063 + ... + 567208.

It is an arithmetic number, because the mean of its divisors is an integer number (12005410032).

Almost surely, 248020551783 is an apocalyptic number.

48020551783 is a deficient number, since it is larger than the sum of its proper divisors (1088345).

48020551783 is a wasteful number, since it uses less digits than its factorization.

48020551783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088344.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 48020551783 in words is "forty-eight billion, twenty million, five hundred fifty-one thousand, seven hundred eighty-three".

Divisors: 1 46073 1042271 48020551783