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53769154320 = 2435572471201
BaseRepresentation
bin110010000100111001…
…000010111100010000
312010210021011001100000
4302010321002330100
51340104400414240
640411243330000
73612310161600
oct620471027420
9163707131300
1053769154320
1120892316522
12a507220900
1350bb8c725b
142861152c00
1515ea71b430
hexc84e42f10

53769154320 has 720 divisors, whose sum is σ = 222656249088. Its totient is φ = 12018585600.

The previous prime is 53769154247. The next prime is 53769154357. The reversal of 53769154320 is 2345196735.

53769154320 is a `hidden beast` number, since 537 + 6 + 91 + 5 + 4 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×537691543202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 44769720 + ... + 44770920.

Almost surely, 253769154320 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 53769154320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111328124544).

53769154320 is an abundant number, since it is smaller than the sum of its proper divisors (168887094768).

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

53769154320 is a wasteful number, since it uses less digits than its factorization.

53769154320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 53769154320 in words is "fifty-three billion, seven hundred sixty-nine million, one hundred fifty-four thousand, three hundred twenty".