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1054369121 = 13175390017
BaseRepresentation
bin111110110110000…
…110010101100001
32201110222111112012
4332312012111201
54124404302441
6252342442305
735061663311
oct7666062541
92643874465
101054369121
114a1189143
12255133395
1313a595170
14a0061441
15628709eb
hex3ed86561

1054369121 has 16 divisors (see below), whose sum is σ = 1224964944. Its totient is φ = 898719744.

The previous prime is 1054369111. The next prime is 1054369133. The reversal of 1054369121 is 1219634501.

1054369121 = 229602 + 229612.

It can be written as a sum of positive squares in 8 ways, for example, as 89397025 + 964972096 = 9455^2 + 31064^2 .

It is a de Polignac number, because none of the positive numbers 2k-1054369121 is a prime.

It is a super-2 number, since 2×10543691212 = 2223388486636625282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054369111) 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, 33296 + ... + 56721.

It is an arithmetic number, because the mean of its divisors is an integer number (76560309).

Almost surely, 21054369121 is an apocalyptic number.

1054369121 is the 22961-st centered square number.

It is an amenable number.

1054369121 is a deficient number, since it is larger than the sum of its proper divisors (170595823).

1054369121 is a wasteful number, since it uses less digits than its factorization.

1054369121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90100.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1054369121 is about 32471.0505065666. The cubic root of 1054369121 is about 1017.8041706034.

The spelling of 1054369121 in words is "one billion, fifty-four million, three hundred sixty-nine thousand, one hundred twenty-one".

Divisors: 1 13 17 53 221 689 901 11713 90017 1170221 1530289 4770901 19893757 62021713 81105317 1054369121