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2755095121 = 524892
BaseRepresentation
bin1010010000110111…
…0110101001010001
321010000012100000001
42210031312221101
521120301020441
61133215130001
7125162631202
oct24415665121
97100170001
102755095121
1111941a7819
1264a813901
1334ba36ccc
141c1c955a9
15111d19731
hexa4376a51

2755095121 has 3 divisors (see below), whose sum is σ = 2755147611. Its totient is φ = 2755042632.

The previous prime is 2755095103. The next prime is 2755095127. The reversal of 2755095121 is 1215905572.

The square root of 2755095121 is 52489.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 451095121 + 2304000000 = 21239^2 + 48000^2 .

It is a de Polignac number, because none of the positive numbers 2k-2755095121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755095127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26245 + ... + 78733.

It is an arithmetic number, because the mean of its divisors is an integer number (918382537).

Almost surely, 22755095121 is an apocalyptic number.

2755095121 is the 52489-th square number.

2755095121 is the 26245-th centered octagonal number.

It is an amenable number.

2755095121 is a deficient number, since it is larger than the sum of its proper divisors (52490).

2755095121 is an frugal number, since it uses more digits than its factorization.

2755095121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104978 (or 52489 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The cubic root of 2755095121 is about 1401.8843878325.

The spelling of 2755095121 in words is "two billion, seven hundred fifty-five million, ninety-five thousand, one hundred twenty-one".

Divisors: 1 52489 2755095121