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1055201144 = 23131900143
BaseRepresentation
bin111110111001010…
…001011101111000
32201112112202211212
4332321101131320
54130112414034
6252412342252
735102030114
oct7671213570
92645482755
101055201144
114a16a7268
12255474988
1313a7c6a9a
14a01da744
15629872ce
hex3ee51778

1055201144 has 8 divisors (see below), whose sum is σ = 1978502160. Its totient is φ = 527600568.

The previous prime is 1055201141. The next prime is 1055201159. The reversal of 1055201144 is 4411025501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10552011442 = 2226898908597817472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055201141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65950064 + ... + 65950079.

It is an arithmetic number, because the mean of its divisors is an integer number (247312770).

Almost surely, 21055201144 is an apocalyptic number.

It is an amenable number.

1055201144 is a deficient number, since it is larger than the sum of its proper divisors (923301016).

1055201144 is a wasteful number, since it uses less digits than its factorization.

1055201144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131900149 (or 131900145 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1055201144 is about 32483.8597460339. The cubic root of 1055201144 is about 1018.0718231767.

Adding to 1055201144 its reverse (4411025501), we get a palindrome (5466226645).

The spelling of 1055201144 in words is "one billion, fifty-five million, two hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 131900143 263800286 527600572 1055201144