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53210233856 = 2101319792663
BaseRepresentation
bin110001100011100100…
…111011110000000000
312002100022102221121002
4301203210323300000
51332433304440411
640235555551132
73562412345063
oct614344736000
9162308387532
1053210233856
112062587628a
12a38bbbb4a8
13502cb826a0
14280ac208da
1515b661533b
hexc6393bc00

53210233856 has 176 divisors, whose sum is σ = 122151859200. Its totient is φ = 22962880512.

The previous prime is 53210233831. The next prime is 53210233861. The reversal of 53210233856 is 65833201235.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19979981 + ... + 19982643.

Almost surely, 253210233856 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 53210233856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61075929600).

53210233856 is an abundant number, since it is smaller than the sum of its proper divisors (68941625344).

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

53210233856 is a wasteful number, since it uses less digits than its factorization.

53210233856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 53210233856 in words is "fifty-three billion, two hundred ten million, two hundred thirty-three thousand, eight hundred fifty-six".