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10030001211 = 321114444579
BaseRepresentation
bin10010101011101010…
…11010110000111011
3221220000012212001100
421111311122300323
5131020140014321
64335133422443
7503360414016
oct112565326073
927800185040
1010030001211
1142877463aa
121b3b03aa23
13c3ac92b79
146b213237d
153da837326
hex255d5ac3b

10030001211 has 6 divisors (see below), whose sum is σ = 14487779540. Its totient is φ = 6686667468.

The previous prime is 10030001209. The next prime is 10030001269. The reversal of 10030001211 is 11210003001.

It is not a de Polignac number, because 10030001211 - 21 = 10030001209 is a prime.

It is a super-2 number, since 2×100300012112 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1114444579 = 10030001211 / (1 + 0 + 0 + 3 + 0 + 0 + 0 + 1 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10030001193 and 10030001202.

It is not an unprimeable number, because it can be changed into a prime (10030051211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557222281 + ... + 557222298.

Almost surely, 210030001211 is an apocalyptic number.

10030001211 is a deficient number, since it is larger than the sum of its proper divisors (4457778329).

10030001211 is a wasteful number, since it uses less digits than its factorization.

10030001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114444585 (or 1114444582 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10030001211 its reverse (11210003001), we get a palindrome (21240004212).

The spelling of 10030001211 in words is "ten billion, thirty million, one thousand, two hundred eleven".

Divisors: 1 3 9 1114444579 3343333737 10030001211