Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1101110010001110100 |
3 | 100200021100021012001202 |
4 | 1132101103232101310 |
5 | 3124300330130140 |
6 | 114300101112032 |
7 | 10212243530210 |
oct | 1362123562164 |
9 | 320240235052 |
10 | 101222114420 |
11 | 39a23276819 |
12 | 1774b0b8618 |
13 | 9711a7787b |
14 | 4c834a9940 |
15 | 2976692915 |
hex | 17914ee474 |
101222114420 has 48 divisors (see below), whose sum is σ = 242958777600. Its totient is φ = 34701053184.
The previous prime is 101222114417. The next prime is 101222114429. The reversal of 101222114420 is 24411222101.
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 = 101222114392 and 101222114401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101222114429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513856 + ... + 1579304.
It is an arithmetic number, because the mean of its divisors is an integer number (5061641200).
Almost surely, 2101222114420 is an apocalyptic number.
101222114420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101222114420 is an abundant number, since it is smaller than the sum of its proper divisors (141736663180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101222114420 is a wasteful number, since it uses less digits than its factorization.
101222114420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76512 (or 76510 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 101222114420 its reverse (24411222101), we get a palindrome (125633336521).
The spelling of 101222114420 in words is "one hundred one billion, two hundred twenty-two million, one hundred fourteen thousand, four hundred twenty".
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