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53102638080 = 2103257116231
BaseRepresentation
bin110001011101001010…
…011111010000000000
312002001210222111221100
4301131022133100000
51332223233404310
640221153454400
73556634655552
oct613512372000
9162053874840
1053102638080
1120580066a58
12a35bb71400
1350137ac74b
1427da8134d2
1515abe5eec0
hexc5d29f400

53102638080 has 264 divisors, whose sum is σ = 186602292864. Its totient is φ = 13960396800.

The previous prime is 53102638063. The next prime is 53102638093. The reversal of 53102638080 is 8083620135.

53102638080 is a `hidden beast` number, since 5 + 3 + 10 + 2 + 638 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3263565 + ... + 3279795.

Almost surely, 253102638080 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 53102638080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93301146432).

53102638080 is an abundant number, since it is smaller than the sum of its proper divisors (133499654784).

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

53102638080 is a wasteful number, since it uses less digits than its factorization.

53102638080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333 (or 16312 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 53102638080 in words is "fifty-three billion, one hundred two million, six hundred thirty-eight thousand, eighty".