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1021010093 = 47157179773
BaseRepresentation
bin111100110110110…
…110000010101101
32122011012200112122
4330312312002231
54042334310333
6245151442325
734205304545
oct7466660255
92564180478
101021010093
11484373aa4
12245b263a5
131336b52ac
149985a325
155e981798
hex3cdb60ad

1021010093 has 16 divisors (see below), whose sum is σ = 1056602880. Its totient is φ = 986097216.

The previous prime is 1021010083. The next prime is 1021010099. The reversal of 1021010093 is 3900101201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1021010093 - 24 = 1021010077 is a prime.

It is a super-2 number, since 2×10210100932 = 2084923220015737298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021010099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320455 + ... + 1321227.

It is an arithmetic number, because the mean of its divisors is an integer number (66037680).

Almost surely, 21021010093 is an apocalyptic number.

It is an amenable number.

1021010093 is a deficient number, since it is larger than the sum of its proper divisors (35592787).

1021010093 is a wasteful number, since it uses less digits than its factorization.

1021010093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1021010093 is about 31953.2485515949. The cubic root of 1021010093 is about 1006.9548818155.

Adding to 1021010093 its reverse (3900101201), we get a palindrome (4921111294).

The spelling of 1021010093 in words is "one billion, twenty-one million, ten thousand, ninety-three".

Divisors: 1 47 157 179 773 7379 8413 28103 36331 121361 138367 1320841 5703967 6503249 21723619 1021010093