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47819353428 = 2234721133173
BaseRepresentation
bin101100100010010000…
…010110110101010100
311120102121112211220000
4230202100112311110
51240413223302203
633545022411300
73312002540400
oct544220266524
9146377484800
1047819353428
1119309862000
129326730b30
134681056402
142458c90100
15139d1ec4a3
hexb22416d54

47819353428 has 720 divisors, whose sum is σ = 167371319808. Its totient is φ = 11855289600.

The previous prime is 47819353427. The next prime is 47819353453. The reversal of 47819353428 is 82435391874.

It is a happy number.

47819353428 is a `hidden beast` number, since 4 + 7 + 81 + 9 + 3 + 534 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47819353423) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 655059600 + ... + 655059672.

Almost surely, 247819353428 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 47819353428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83685659904).

47819353428 is an abundant number, since it is smaller than the sum of its proper divisors (119551966380).

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

47819353428 is a wasteful number, since it uses less digits than its factorization.

47819353428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 127 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 47819353428 in words is "forty-seven billion, eight hundred nineteen million, three hundred fifty-three thousand, four hundred twenty-eight".