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145857287303 = 7132780957637
BaseRepresentation
bin1000011111010111000…
…1011001010010000111
3111221111001012220101222
42013311301121102013
54342203431143203
6151001135510555
713352323325450
oct2076561312207
9457431186358
10145857287303
11569486aa852
122432738845b
13109a6210a80
1470b94cc127
153bda069038
hex21f5c59487

145857287303 has 16 divisors (see below), whose sum is σ = 179526231360. Its totient is φ = 115397415936.

The previous prime is 145857287297. The next prime is 145857287309. The reversal of 145857287303 is 303782758541.

145857287303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145857287297) and next prime (145857287309).

It is a cyclic number.

It is not a de Polignac number, because 145857287303 - 210 = 145857286279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145857287309) 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 15 ways as a sum of consecutive naturals, for example, 2501801 + ... + 2559437.

It is an arithmetic number, because the mean of its divisors is an integer number (11220389460).

Almost surely, 2145857287303 is an apocalyptic number.

145857287303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145857287303 is a deficient number, since it is larger than the sum of its proper divisors (33668944057).

145857287303 is a wasteful number, since it uses less digits than its factorization.

145857287303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85466.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 145857287303 in words is "one hundred forty-five billion, eight hundred fifty-seven million, two hundred eighty-seven thousand, three hundred three".

Divisors: 1 7 13 91 27809 57637 194663 361517 403459 749281 2530619 5244967 1602827333 11219791331 20836755329 145857287303