Base | Representation |
---|---|
bin | 101111100000011111… |
… | …1110110100110110100 |
3 | 100202100002210100122012 |
4 | 1133000333312212310 |
5 | 3132420141241040 |
6 | 114511322023352 |
7 | 10241130331241 |
oct | 1370077664664 |
9 | 322302710565 |
10 | 102022212020 |
11 | 3a2a3973a03 |
12 | 17933047b58 |
13 | 980b762cc1 |
14 | 4d1b85c5c8 |
15 | 29c1a38865 |
hex | 17c0ff69b4 |
102022212020 has 48 divisors (see below), whose sum is σ = 215236224000. Its totient is φ = 40620545280.
The previous prime is 102022211987. The next prime is 102022212031. The reversal of 102022212020 is 20212220201.
It is a junction number, because it is equal to n+sod(n) for n = 102022211986 and 102022212004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21942656 + ... + 21947304.
It is an arithmetic number, because the mean of its divisors is an integer number (4484088000).
Almost surely, 2102022212020 is an apocalyptic number.
102022212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102022212020 is an abundant number, since it is smaller than the sum of its proper divisors (113214011980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102022212020 is a wasteful number, since it uses less digits than its factorization.
102022212020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9488 (or 9486 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 102022212020 its reverse (20212220201), we get a palindrome (122234432221).
It can be divided in two parts, 10202 and 2212020, that added together give a palindrome (2222222).
The spelling of 102022212020 in words is "one hundred two billion, twenty-two million, two hundred twelve thousand, twenty".
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