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53787741504 = 2637476771179
BaseRepresentation
bin110010000101111111…
…111100110101000000
312010211120010101011020
4302011333330311000
51340124130212004
640413145545440
73612624154620
oct620577746500
9163746111136
1053787741504
11208a1861332
12a5114a5280
1350c27045a3
1428637d0880
1515ec18d8d9
hexc85ffcd40

53787741504 has 448 divisors, whose sum is σ = 171913052160. Its totient is φ = 14526167040.

The previous prime is 53787741493. The next prime is 53787741509. The reversal of 53787741504 is 40514778735.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×537877415042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53787741509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300490087 + ... + 300490265.

Almost surely, 253787741504 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 53787741504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85956526080).

53787741504 is an abundant number, since it is smaller than the sum of its proper divisors (118125310656).

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

53787741504 is a wasteful number, since it uses less digits than its factorization.

53787741504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 53787741504 in words is "fifty-three billion, seven hundred eighty-seven million, seven hundred forty-one thousand, five hundred four".