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53280307755 = 32531197193877
BaseRepresentation
bin110001100111110000…
…001111101000101011
312002112012022001220200
4301213300033220223
51333104224322010
640250541523243
73564223100133
oct614760175053
9162465261820
1053280307755
11206613878a4
12a3ab573523
135041548a2c
142816261ac3
1515bc857cc0
hexc67c0fa2b

53280307755 has 48 divisors (see below), whose sum is σ = 95816058624. Its totient is φ = 27359781120.

The previous prime is 53280307697. The next prime is 53280307757. The reversal of 53280307755 is 55770308235.

53280307755 is a `hidden beast` number, since 532 + 80 + 30 + 7 + 7 + 5 + 5 = 666.

It is not a de Polignac number, because 53280307755 - 210 = 53280306731 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53280307755.

It is not an unprimeable number, because it can be changed into a prime (53280307757) 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 47 ways as a sum of consecutive naturals, for example, 177877 + ... + 371753.

It is an arithmetic number, because the mean of its divisors is an integer number (1996167888).

Almost surely, 253280307755 is an apocalyptic number.

53280307755 is a deficient number, since it is larger than the sum of its proper divisors (42535750869).

53280307755 is a wasteful number, since it uses less digits than its factorization.

53280307755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194116 (or 194113 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 53280307755 in words is "fifty-three billion, two hundred eighty million, three hundred seven thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 31 45 93 155 197 279 465 591 985 1395 1773 2955 6107 8865 18321 30535 54963 91605 193877 274815 581631 969385 1744893 2908155 6010187 8724465 18030561 30050935 38193769 54091683 90152805 114581307 190968845 270458415 343743921 572906535 1184006839 1718719605 3552020517 5920034195 10656061551 17760102585 53280307755