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1061000061 = 311298912457
BaseRepresentation
bin111111001111011…
…001001101111101
32201221110101110120
4333033121031331
54133104000221
6253140525153
735202231432
oct7717311575
92657411416
101061000061
114a49a8060
122573b07b9
1313ba773b4
14a0ca9b89
15632305c6
hex3f3d937d

1061000061 has 32 divisors (see below), whose sum is σ = 1614556800. Its totient is φ = 613831680.

The previous prime is 1061000041. The next prime is 1061000063. The reversal of 1061000061 is 1600001601.

It is not a de Polignac number, because 1061000061 - 25 = 1061000029 is a prime.

It is a super-2 number, since 2×10610000612 = 2251442258884007442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061000061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061000063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78945 + ... + 91401.

It is an arithmetic number, because the mean of its divisors is an integer number (50454900).

Almost surely, 21061000061 is an apocalyptic number.

1061000061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1061000061 is a deficient number, since it is larger than the sum of its proper divisors (553556739).

1061000061 is a wasteful number, since it uses less digits than its factorization.

1061000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1061000061 is about 32572.9958861631. The cubic root of 1061000061 is about 1019.9333741564.

Adding to 1061000061 its reverse (1600001601), we get a palindrome (2661001662).

The spelling of 1061000061 in words is "one billion, sixty-one million, sixty-one", and thus it is an aban number and an uban number.

Divisors: 1 3 11 29 33 87 89 267 319 957 979 2581 2937 7743 12457 28391 37371 85173 137027 361253 411081 1083759 1108673 3326019 3973783 11921349 12195403 32151517 36586209 96454551 353666687 1061000061