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10200300001 = 73139730137
BaseRepresentation
bin10010111111111110…
…00011100111100001
3222022212122221001221
421133333003213201
5131342234100001
64404055455041
7510526055653
oct113777034741
928285587057
1010200300001
114364892401
121b88087481
13c6734b198
146ca9c26d3
153ea7761a1
hex25ffc39e1

10200300001 has 4 divisors (see below), whose sum is σ = 10340030212. Its totient is φ = 10060569792.

The previous prime is 10200299983. The next prime is 10200300037. The reversal of 10200300001 is 10000300201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4240614400 + 5959685601 = 65120^2 + 77199^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200300001 - 223 = 10191911393 is a prime.

It is a super-2 number, since 2×102003000012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200300041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69864996 + ... + 69865141.

It is an arithmetic number, because the mean of its divisors is an integer number (2585007553).

Almost surely, 210200300001 is an apocalyptic number.

It is an amenable number.

10200300001 is a deficient number, since it is larger than the sum of its proper divisors (139730211).

10200300001 is an equidigital number, since it uses as much as digits as its factorization.

10200300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139730210.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 10200300001 its reverse (10000300201), we get a palindrome (20200600202).

The spelling of 10200300001 in words is "ten billion, two hundred million, three hundred thousand, one".

Divisors: 1 73 139730137 10200300001