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1052100001 = 61123114011
BaseRepresentation
bin111110101101011…
…100010110100001
32201022201012212201
4332231130112201
54123314200001
6252222053201
735033462641
oct7655342641
92638635781
101052100001
1149a979337
1225441a201
13139c7c3a4
149da30521
1562573501
hex3eb5c5a1

1052100001 has 8 divisors (see below), whose sum is σ = 1070292608. Its totient is φ = 1033938000.

The previous prime is 1052099981. The next prime is 1052100013. The reversal of 1052100001 is 1000012501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052100001 - 25 = 1052099969 is a prime.

It is a super-2 number, since 2×10521000012 = 2213828824208400002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052100031) 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 7 ways as a sum of consecutive naturals, for example, 68086 + ... + 82096.

It is an arithmetic number, because the mean of its divisors is an integer number (133786576).

Almost surely, 21052100001 is an apocalyptic number.

It is an amenable number.

1052100001 is a deficient number, since it is larger than the sum of its proper divisors (18192607).

1052100001 is a wasteful number, since it uses less digits than its factorization.

1052100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1052100001 is about 32436.0910252761. The cubic root of 1052100001 is about 1017.0735034778.

Adding to 1052100001 its reverse (1000012501), we get a palindrome (2052112502).

The spelling of 1052100001 in words is "one billion, fifty-two million, one hundred thousand, one".

Divisors: 1 61 1231 14011 75091 854671 17247541 1052100001