Base | Representation |
---|---|
bin | 10011001011111110… |
… | …101000011101000100 |
3 | 1222011210102012221210 |
4 | 103023332220131010 |
5 | 314143112001120 |
6 | 13244153411420 |
7 | 1326352433424 |
oct | 231376503504 |
9 | 58153365853 |
10 | 20602062660 |
11 | 8812366673 |
12 | 3bab709b70 |
13 | 1c3434632a |
14 | dd6248484 |
15 | 808a44ce0 |
hex | 4cbfa8744 |
20602062660 has 24 divisors (see below), whose sum is σ = 57685775616. Its totient is φ = 5493883360.
The previous prime is 20602062643. The next prime is 20602062667. The reversal of 20602062660 is 6626020602.
It is a super-3 number, since 3×206020626603 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (20602062667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171683796 + ... + 171683915.
It is an arithmetic number, because the mean of its divisors is an integer number (2403573984).
Almost surely, 220602062660 is an apocalyptic number.
20602062660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20602062660 is an abundant number, since it is smaller than the sum of its proper divisors (37083712956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20602062660 is a wasteful number, since it uses less digits than its factorization.
20602062660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343367723 (or 343367721 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 30.
The spelling of 20602062660 in words is "twenty billion, six hundred two million, sixty-two thousand, six hundred sixty".
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