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1148201755 = 5229640351
BaseRepresentation
bin100010001110000…
…0010101100011011
32222000112200200221
41010130002230123
54322414424010
6305533540511
740311360661
oct10434025433
92860480627
101148201755
1153a147a78
12280644737
13153b5972c
14ac6c8c31
156ac07dda
hex44702b1b

1148201755 has 4 divisors (see below), whose sum is σ = 1377842112. Its totient is φ = 918561400.

The previous prime is 1148201753. The next prime is 1148201767. The reversal of 1148201755 is 5571028411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5571028411 = 13428540647.

It is not a de Polignac number, because 1148201755 - 21 = 1148201753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148201755.

It is not an unprimeable number, because it can be changed into a prime (1148201753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114820171 + ... + 114820180.

It is an arithmetic number, because the mean of its divisors is an integer number (344460528).

Almost surely, 21148201755 is an apocalyptic number.

1148201755 is a deficient number, since it is larger than the sum of its proper divisors (229640357).

1148201755 is an equidigital number, since it uses as much as digits as its factorization.

1148201755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229640356.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 1148201755 is about 33885.1258666690. The cubic root of 1148201755 is about 1047.1431806053.

The spelling of 1148201755 in words is "one billion, one hundred forty-eight million, two hundred one thousand, seven hundred fifty-five".

Divisors: 1 5 229640351 1148201755