Base | Representation |
---|---|
bin | 111101011010101… |
… | …010100001101111 |
3 | 2122210212202020002 |
4 | 331122222201233 |
5 | 4102240300421 |
6 | 250125014515 |
7 | 34351153646 |
oct | 7532524157 |
9 | 2583782202 |
10 | 1030400111 |
11 | 4896a7944 |
12 | 2490b443b |
13 | 135622310 |
14 | 9abc235d |
15 | 606d8b0b |
hex | 3d6aa86f |
1030400111 has 4 divisors (see below), whose sum is σ = 1109661672. Its totient is φ = 951138552.
The previous prime is 1030400101. The next prime is 1030400117. The reversal of 1030400111 is 1110040301.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1030400111 - 26 = 1030400047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1030400092 and 1030400101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030400117) 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, 39630761 + ... + 39630786.
It is an arithmetic number, because the mean of its divisors is an integer number (277415418).
Almost surely, 21030400111 is an apocalyptic number.
1030400111 is a deficient number, since it is larger than the sum of its proper divisors (79261561).
1030400111 is an equidigital number, since it uses as much as digits as its factorization.
1030400111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79261560.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1030400111 is about 32099.8459653625. The cubic root of 1030400111 is about 1010.0323850022.
Adding to 1030400111 its reverse (1110040301), we get a palindrome (2140440412).
The spelling of 1030400111 in words is "one billion, thirty million, four hundred thousand, one hundred eleven".
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