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1131835393 = 13832274621
BaseRepresentation
bin100001101110110…
…0111000000000001
32220212202012021101
41003131213000001
54304222213033
6304151054401
740022304433
oct10335470001
92825665241
101131835393
11530989757
12277071401
131506491b0
14aa468653
156957397d
hex43767001

1131835393 has 16 divisors (see below), whose sum is σ = 1239287616. Its totient is φ = 1027414080.

The previous prime is 1131835387. The next prime is 1131835417. The reversal of 1131835393 is 3935381311.

It is a cyclic number.

It is not a de Polignac number, because 1131835393 - 25 = 1131835361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131835343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242623 + ... + 247243.

It is an arithmetic number, because the mean of its divisors is an integer number (77455476).

Almost surely, 21131835393 is an apocalyptic number.

1131835393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1131835393 is a deficient number, since it is larger than the sum of its proper divisors (107452223).

1131835393 is a wasteful number, since it uses less digits than its factorization.

1131835393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its digits is 29160, while the sum is 37.

The square root of 1131835393 is about 33642.7613759632. The cubic root of 1131835393 is about 1042.1440583539.

The spelling of 1131835393 in words is "one billion, one hundred thirty-one million, eight hundred thirty-five thousand, three hundred ninety-three".

Divisors: 1 13 83 227 1079 2951 4621 18841 60073 244933 383543 1048967 4986059 13636571 87064261 1131835393