Base | Representation |
---|---|
bin | 10010110100100111… |
… | …110010000000000000 |
3 | 1221011111001100121120 |
4 | 102310213302000000 |
5 | 312342302241410 |
6 | 13141234352240 |
7 | 1313553556425 |
oct | 226447620000 |
9 | 57144040546 |
10 | 20210196480 |
11 | 8631146821 |
12 | 3b0042b680 |
13 | 1ba10c2056 |
14 | d9a19dd4c |
15 | 7d443b570 |
hex | 4b49f2000 |
20210196480 has 112 divisors (see below), whose sum is σ = 64669074624. Its totient is φ = 5389352960.
The previous prime is 20210196463. The next prime is 20210196497. The reversal of 20210196480 is 8469101202.
It is an interprime number because it is at equal distance from previous prime (20210196463) and next prime (20210196497).
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40645 + ... + 205115.
It is an arithmetic number, because the mean of its divisors is an integer number (577402452).
Almost surely, 220210196480 is an apocalyptic number.
20210196480 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 20210196480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32334537312).
20210196480 is an abundant number, since it is smaller than the sum of its proper divisors (44458878144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210196480 is an equidigital number, since it uses as much as digits as its factorization.
20210196480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164505 (or 164481 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
Adding to 20210196480 its reverse (8469101202), we get a palindrome (28679297682).
The spelling of 20210196480 in words is "twenty billion, two hundred ten million, one hundred ninety-six thousand, four hundred eighty".
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