Base | Representation |
---|---|
bin | 11111010111010010011… |
… | …111101111100110100111 |
3 | 21122001020021022001002202 |
4 | 133113102133233212213 |
5 | 240303033344331403 |
6 | 4330045200325115 |
7 | 311500411005233 |
oct | 37272237574647 |
9 | 7561207261082 |
10 | 2155310152103 |
11 | 761075434899 |
12 | 2a986901379b |
13 | 128324cb6064 |
14 | 764635995c3 |
15 | 3b0e7d7a688 |
hex | 1f5d27ef9a7 |
2155310152103 has 4 divisors (see below), whose sum is σ = 2163263326368. Its totient is φ = 2147356977840.
The previous prime is 2155310152063. The next prime is 2155310152123. The reversal of 2155310152103 is 3012510135512.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2155310152103 - 230 = 2154236410279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2155310152123) 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, 3976586726 + ... + 3976587267.
It is an arithmetic number, because the mean of its divisors is an integer number (540815831592).
Almost surely, 22155310152103 is an apocalyptic number.
2155310152103 is a deficient number, since it is larger than the sum of its proper divisors (7953174265).
2155310152103 is an equidigital number, since it uses as much as digits as its factorization.
2155310152103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7953174264.
The product of its (nonzero) digits is 4500, while the sum is 29.
Adding to 2155310152103 its reverse (3012510135512), we get a palindrome (5167820287615).
The spelling of 2155310152103 in words is "two trillion, one hundred fifty-five billion, three hundred ten million, one hundred fifty-two thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •