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61048359936 = 210345711289
BaseRepresentation
bin111000110110110001…
…000000110000000000
312211120120021000020000
4320312301000300000
52000011340004221
644013434120000
74260556332444
oct706661006000
9184516230200
1061048359936
1123988231433
12b9b8b80000
1359ab9ca105
142d51bcc824
1518c47d7e26
hexe36c40c00

61048359936 has 220 divisors, whose sum is σ = 182763283560. Its totient is φ = 20298055680.

The previous prime is 61048359929. The next prime is 61048359941. The reversal of 61048359936 is 63995384016.

61048359936 is a `hidden beast` number, since 6 + 1 + 0 + 48 + 3 + 599 + 3 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47360380 + ... + 47361668.

It is an arithmetic number, because the mean of its divisors is an integer number (830742198).

Almost surely, 261048359936 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 61048359936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91381641780).

61048359936 is an abundant number, since it is smaller than the sum of its proper divisors (121714923624).

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

61048359936 is a wasteful number, since it uses less digits than its factorization.

61048359936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 61048359936 in words is "sixty-one billion, forty-eight million, three hundred fifty-nine thousand, nine hundred thirty-six".