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87050830353 = 3237757162641
BaseRepresentation
bin101000100010010100…
…0100100001000010001
322022200201111100220220
41101010220210020101
52411240003032403
6103553545223253
76201125564214
oct1210450441021
9268621440826
1087050830353
1133a10a19303
1214a55191b29
138293b27096
1442db36777b
1523e74c8953
hex1444a24211

87050830353 has 16 divisors (see below), whose sum is σ = 121130557056. Its totient is φ = 55503176960.

The previous prime is 87050830337. The next prime is 87050830367. The reversal of 87050830353 is 35303805078.

It is a cyclic number.

It is not a de Polignac number, because 87050830353 - 24 = 87050830337 is a prime.

It is a super-2 number, since 2×870508303532 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87050830453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453913 + ... + 616553.

It is an arithmetic number, because the mean of its divisors is an integer number (7570659816).

Almost surely, 287050830353 is an apocalyptic number.

It is an amenable number.

87050830353 is a deficient number, since it is larger than the sum of its proper divisors (34079726703).

87050830353 is a wasteful number, since it uses less digits than its factorization.

87050830353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170424.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 87050830353 in words is "eighty-seven billion, fifty million, eight hundred thirty thousand, three hundred fifty-three".

Divisors: 1 3 23 69 7757 23271 162641 178411 487923 535233 3740743 11222229 1261606237 3784818711 29016943451 87050830353