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3145087505 = 57232374591
BaseRepresentation
bin1011101101110110…
…0011101000010001
322010012000222222102
42323131203220101
522420120300010
61240030050145
7140636542220
oct27335435021
98105028872
103145087505
11137435787a
12739349955
133b1783431
1421b9b2cb7
151361a2ba5
hexbb763a11

3145087505 has 48 divisors (see below), whose sum is σ = 4631821824. Its totient is φ = 2006674560.

The previous prime is 3145087489. The next prime is 3145087513. The reversal of 3145087505 is 5057805413.

It is not a de Polignac number, because 3145087505 - 24 = 3145087489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682760 + ... + 687350.

It is an arithmetic number, because the mean of its divisors is an integer number (96496288).

Almost surely, 23145087505 is an apocalyptic number.

3145087505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145087505 is a deficient number, since it is larger than the sum of its proper divisors (1486734319).

3145087505 is a wasteful number, since it uses less digits than its factorization.

3145087505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4663 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 3145087505 is about 56081.0797417453. The cubic root of 3145087505 is about 1465.1347793079.

The spelling of 3145087505 in words is "three billion, one hundred forty-five million, eighty-seven thousand, five hundred five".

Divisors: 1 5 7 23 35 37 115 161 185 259 529 805 851 1295 2645 3703 4255 4591 5957 18515 19573 22955 29785 32137 97865 105593 137011 160685 169867 527965 685055 739151 849335 1189069 2428639 3695755 3906941 5945345 12143195 17000473 19534705 27348587 85002365 89859643 136742935 449298215 629017501 3145087505