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5206101001 = 18892756009
BaseRepresentation
bin1001101100100111…
…01100110000001001
3111102211012022222121
410312103230300021
541130230213001
62220332451241
7243004062013
oct46623546011
914384168877
105206101001
112231787812
121013619b21
1364c770b4a
143755d11b3
152070b86a1
hex1364ecc09

5206101001 has 4 divisors (see below), whose sum is σ = 5208858900. Its totient is φ = 5203343104.

The previous prime is 5206100959. The next prime is 5206101011. The reversal of 5206101001 is 1001016025.

It is a happy number.

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 3551564025 + 1654536976 = 59595^2 + 40676^2 .

It is a cyclic number.

It is not a de Polignac number, because 5206101001 - 215 = 5206068233 is a prime.

It is a super-2 number, since 2×52061010012 = 54206975265226404002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5206101011) 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, 1376116 + ... + 1379893.

It is an arithmetic number, because the mean of its divisors is an integer number (1302214725).

Almost surely, 25206101001 is an apocalyptic number.

It is an amenable number.

5206101001 is a deficient number, since it is larger than the sum of its proper divisors (2757899).

5206101001 is a wasteful number, since it uses less digits than its factorization.

5206101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757898.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 5206101001 is about 72153.3159390475. The cubic root of 5206101001 is about 1733.1555004400.

Adding to 5206101001 its reverse (1001016025), we get a palindrome (6207117026).

The spelling of 5206101001 in words is "five billion, two hundred six million, one hundred one thousand, one".

Divisors: 1 1889 2756009 5206101001