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1020202706 = 23989127877
BaseRepresentation
bin111100110011110…
…000111011010010
32122002200200000102
4330303300323102
54042132441311
6245122252402
734165402625
oct7463607322
92562620012
101020202706
11483972436
122457b7102
13133491953
14996c9dbc
155e87243b
hex3ccf0ed2

1020202706 has 8 divisors (see below), whose sum is σ = 1530699660. Its totient is φ = 509969488.

The previous prime is 1020202669. The next prime is 1020202721. The reversal of 1020202706 is 6072020201.

It can be written as a sum of positive squares in 2 ways, for example, as 897901225 + 122301481 = 29965^2 + 11059^2 .

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

It is a super-2 number, since 2×10202027062 = 2081627122659444872, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55961 + ... + 71916.

Almost surely, 21020202706 is an apocalyptic number.

1020202706 is a deficient number, since it is larger than the sum of its proper divisors (510496954).

1020202706 is a wasteful number, since it uses less digits than its factorization.

1020202706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131868.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1020202706 is about 31940.6121732192. The cubic root of 1020202706 is about 1006.6893876475.

Adding to 1020202706 its reverse (6072020201), we get a palindrome (7092222907).

The spelling of 1020202706 in words is "one billion, twenty million, two hundred two thousand, seven hundred six".

Divisors: 1 2 3989 7978 127877 255754 510101353 1020202706