Base | Representation |
---|---|
bin | 10011000000111110… |
… | …011011010001100100 |
3 | 1221200221001101202022 |
4 | 103000332123101210 |
5 | 313303332144200 |
6 | 13214001002312 |
7 | 1321651353260 |
oct | 230076332144 |
9 | 57627041668 |
10 | 20417459300 |
11 | 872813a407 |
12 | 3b59923398 |
13 | 1c05020084 |
14 | db99130a0 |
15 | 7e772c885 |
hex | 4c0f9b464 |
20417459300 has 72 divisors (see below), whose sum is σ = 50847578880. Its totient is φ = 6970924800.
The previous prime is 20417459291. The next prime is 20417459317. The reversal of 20417459300 is 395471402.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106280 + ... + 228320.
Almost surely, 220417459300 is an apocalyptic number.
20417459300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20417459300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25423789440).
20417459300 is an abundant number, since it is smaller than the sum of its proper divisors (30430119580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20417459300 is a wasteful number, since it uses less digits than its factorization.
20417459300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122301 (or 122294 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The spelling of 20417459300 in words is "twenty billion, four hundred seventeen million, four hundred fifty-nine thousand, three hundred".
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