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61893796823040 = 2173571332389
BaseRepresentation
bin11100001001010110001011…
…10001100000000000000000
322010010222201010012222121210
432010223011301200000000
531103031443441314130
6335345341232450120
716015451661351120
oct1604530561400000
9263128633188553
1061893796823040
11187a3014814166
126b375233a9940
13286c73840a000
14113d966388c80
15724eede775b0
hex384ac5c60000

61893796823040 has 2304 divisors, whose sum is σ = 258743949004800. Its totient is φ = 12350782439424.

The previous prime is 61893796822999. The next prime is 61893796823071. The reversal of 61893796823040 is 4032869739816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 695435919316 + ... + 695435919404.

It is an arithmetic number, because the mean of its divisors is an integer number (112302061200).

Almost surely, 261893796823040 is an apocalyptic number.

61893796823040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61893796823040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129371974502400).

61893796823040 is an abundant number, since it is smaller than the sum of its proper divisors (196850152181760).

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

61893796823040 is an frugal number, since it uses more digits than its factorization.

61893796823040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 61893796823040 in words is "sixty-one trillion, eight hundred ninety-three billion, seven hundred ninety-six million, eight hundred twenty-three thousand, forty".