Base | Representation |
---|---|
bin | 10010101110001111… |
… | …101101011100111101 |
3 | 1220220000202112201120 |
4 | 102232033231130331 |
5 | 312132411114401 |
6 | 13122453501153 |
7 | 1311114401613 |
oct | 225617553475 |
9 | 56800675646 |
10 | 20103223101 |
11 | 8586822075 |
12 | 3a906417b9 |
13 | 1b84ba94b0 |
14 | d89cb56b3 |
15 | 7c9d5a836 |
hex | 4ae3ed73d |
20103223101 has 16 divisors (see below), whose sum is σ = 28869167040. Its totient is φ = 12369928320.
The previous prime is 20103223093. The next prime is 20103223109. The reversal of 20103223101 is 10132230102.
It is an interprime number because it is at equal distance from previous prime (20103223093) and next prime (20103223109).
It is not a de Polignac number, because 20103223101 - 23 = 20103223093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20103223109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469686 + ... + 510696.
It is an arithmetic number, because the mean of its divisors is an integer number (1804322940).
Almost surely, 220103223101 is an apocalyptic number.
It is an amenable number.
20103223101 is a deficient number, since it is larger than the sum of its proper divisors (8765943939).
20103223101 is a wasteful number, since it uses less digits than its factorization.
20103223101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53596.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20103223101 its reverse (10132230102), we get a palindrome (30235453203).
The spelling of 20103223101 in words is "twenty billion, one hundred three million, two hundred twenty-three thousand, one hundred one".
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