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10207202305 = 517769156157
BaseRepresentation
bin10011000000110010…
…11000110000000001
3222100100122121020211
421200121120300001
5131401020433210
64404503434121
7510641534206
oct114031306001
928310577224
1010207202305
114368777193
121b8a455941
13c688c6aa1
146cb89bcad
153eb18b38a
hex260658c01

10207202305 has 16 divisors (see below), whose sum is σ = 12986099280. Its totient is φ = 7675379712.

The previous prime is 10207202279. The next prime is 10207202329. The reversal of 10207202305 is 50320270201.

It can be written as a sum of positive squares in 8 ways, for example, as 8020224 + 10199182081 = 2832^2 + 100991^2 .

It is a cyclic number.

It is not a de Polignac number, because 10207202305 - 217 = 10207071233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12714 + ... + 143443.

It is an arithmetic number, because the mean of its divisors is an integer number (811631205).

Almost surely, 210207202305 is an apocalyptic number.

It is an amenable number.

10207202305 is a deficient number, since it is larger than the sum of its proper divisors (2778896975).

10207202305 is a wasteful number, since it uses less digits than its factorization.

10207202305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156948.

The product of its (nonzero) digits is 840, while the sum is 22.

Adding to 10207202305 its reverse (50320270201), we get a palindrome (60527472506).

The spelling of 10207202305 in words is "ten billion, two hundred seven million, two hundred two thousand, three hundred five".

Divisors: 1 5 17 85 769 3845 13073 65365 156157 780785 2654669 13273345 120084733 600423665 2041440461 10207202305