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53891124336 = 2433722938689
BaseRepresentation
bin110010001100001010…
…010100110001110000
312011002202122202202000
4302030022110301300
51340332111434321
640431321454000
73615320666400
oct621412246160
9164082582660
1053891124336
1120945153395
12a540041300
13510ac60a6a
142873422800
1516062b0826
hexc8c294c70

53891124336 has 240 divisors, whose sum is σ = 180577504800. Its totient is φ = 15343147008.

The previous prime is 53891124319. The next prime is 53891124341. The reversal of 53891124336 is 63342119835.

53891124336 is a `hidden beast` number, since 538 + 91 + 1 + 24 + 3 + 3 + 6 = 666.

It is a super-2 number, since 2×538911243362 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53891124291 and 53891124300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6197880 + ... + 6206568.

It is an arithmetic number, because the mean of its divisors is an integer number (752406270).

Almost surely, 253891124336 is an apocalyptic number.

53891124336 is a gapful number since it is divisible by the number (56) 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 53891124336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90288752400).

53891124336 is an abundant number, since it is smaller than the sum of its proper divisors (126686380464).

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

53891124336 is a wasteful number, since it uses less digits than its factorization.

53891124336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013 (or 8994 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 53891124336 in words is "fifty-three billion, eight hundred ninety-one million, one hundred twenty-four thousand, three hundred thirty-six".