Base | Representation |
---|---|
bin | 10111000000111110100001… |
… | …010110001011110100111100 |
3 | 111021101202012020112002000102 |
4 | 113000332201112023310330 |
5 | 101231411032002242340 |
6 | 555140500504220232 |
7 | 30215030336060444 |
oct | 2700764126136474 |
9 | 437352166462012 |
10 | 101222201212220 |
11 | 2a2861047aa640 |
12 | b42965a46a678 |
13 | 446329c1728ca |
14 | 1add275ad7124 |
15 | ba804d5d2215 |
hex | 5c0fa158bd3c |
101222201212220 has 24 divisors (see below), whose sum is σ = 231890860959408. Its totient is φ = 36808073168000.
The previous prime is 101222201212157. The next prime is 101222201212229. The reversal of 101222201212220 is 22212102222101.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 101222201212192 and 101222201212201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101222201212229) 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, 230050457081 + ... + 230050457520.
It is an arithmetic number, because the mean of its divisors is an integer number (9662119206642).
Almost surely, 2101222201212220 is an apocalyptic number.
101222201212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101222201212220 is an abundant number, since it is smaller than the sum of its proper divisors (130668659747188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101222201212220 is a wasteful number, since it uses less digits than its factorization.
101222201212220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460100914621 (or 460100914619 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 101222201212220 its reverse (22212102222101), we get a palindrome (123434303434321).
The spelling of 101222201212220 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred twenty".
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