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1095984953449 = 732143412
BaseRepresentation
bin11111111001011011100…
…10110011100001101001
310212202221002001021021221
433330231302303201221
5120424034122002244
62155253305102041
7142116346252321
oct17745562634151
93782832037257
101095984953449
11392893a30101
121584ab187921
137c474018c99
143b090158281
151d798257784
hexff2dcb3869

1095984953449 has 9 divisors (see below), whose sum is σ = 1111281600069. Its totient is φ = 1080896084640.

The previous prime is 1095984953423. The next prime is 1095984953467. The reversal of 1095984953449 is 9443594895901.

It is a happy number.

The square root of 1095984953449 is 1046893.

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

It can be written as a sum of positive squares in 4 ways, for example, as 336765499225 + 759219454224 = 580315^2 + 871332^2 .

It is not a de Polignac number, because 1095984953449 - 27 = 1095984953321 is a prime.

It is a super-3 number, since 3×10959849534493 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1095984957449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76416019 + ... + 76430359.

It is an arithmetic number, because the mean of its divisors is an integer number (123475733341).

Almost surely, 21095984953449 is an apocalyptic number.

1095984953449 is the 1046893-rd square number.

1095984953449 is the 523447-th centered octagonal number.

It is an amenable number.

1095984953449 is a deficient number, since it is larger than the sum of its proper divisors (15296646620).

1095984953449 is an frugal number, since it uses more digits than its factorization.

1095984953449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28828 (or 14414 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 70.

The spelling of 1095984953449 in words is "one trillion, ninety-five billion, nine hundred eighty-four million, nine hundred fifty-three thousand, four hundred forty-nine".

Divisors: 1 73 5329 14341 1046893 76423189 205664281 15013492513 1095984953449