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1128427286 = 2780601949
BaseRepresentation
bin100001101000010…
…0110111100010110
32220122100001020012
41003100212330112
54302334133121
6303550040222
736651321320
oct10320467426
92818301205
101128427286
11529a71138
12275aa9072
1314ca24b6c
14a9c1c610
15690edc5b
hex43426f16

1128427286 has 8 divisors (see below), whose sum is σ = 1934446800. Its totient is φ = 483611688.

The previous prime is 1128427283. The next prime is 1128427291. The reversal of 1128427286 is 6827248211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128427283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40300961 + ... + 40300988.

It is an arithmetic number, because the mean of its divisors is an integer number (241805850).

Almost surely, 21128427286 is an apocalyptic number.

1128427286 is a deficient number, since it is larger than the sum of its proper divisors (806019514).

1128427286 is an equidigital number, since it uses as much as digits as its factorization.

1128427286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80601958.

The product of its digits is 86016, while the sum is 41.

The square root of 1128427286 is about 33592.0717729645. The cubic root of 1128427286 is about 1041.0969952159.

The spelling of 1128427286 in words is "one billion, one hundred twenty-eight million, four hundred twenty-seven thousand, two hundred eighty-six".

Divisors: 1 2 7 14 80601949 161203898 564213643 1128427286