Base | Representation |
---|---|
bin | 10010111001111111… |
… | …111000101111110101 |
3 | 1221101202210020211220 |
4 | 102321333320233311 |
5 | 313033400323103 |
6 | 13154220020553 |
7 | 1316030365320 |
oct | 227177705765 |
9 | 57352706756 |
10 | 20300401653 |
11 | 8678058254 |
12 | 3b26691759 |
13 | 1bb69b64ac |
14 | da81617b7 |
15 | 7dc308c53 |
hex | 4b9ff8bf5 |
20300401653 has 32 divisors (see below), whose sum is σ = 31240408320. Its totient is φ = 11485463040.
The previous prime is 20300401637. The next prime is 20300401669. The reversal of 20300401653 is 35610400302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20300401637) and next prime (20300401669).
It is not a de Polignac number, because 20300401653 - 24 = 20300401637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20300403653) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4568913 + ... + 4573353.
It is an arithmetic number, because the mean of its divisors is an integer number (976262760).
Almost surely, 220300401653 is an apocalyptic number.
It is an amenable number.
20300401653 is a deficient number, since it is larger than the sum of its proper divisors (10940006667).
20300401653 is a wasteful number, since it uses less digits than its factorization.
20300401653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6557.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 20300401653 its reverse (35610400302), we get a palindrome (55910801955).
The spelling of 20300401653 in words is "twenty billion, three hundred million, four hundred one thousand, six hundred fifty-three".
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