Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1111100010001101101 |
3 | 102122221212102021000221 |
4 | 1301221001330101231 |
5 | 3444344411413010 |
6 | 132020013451341 |
7 | 11546541044464 |
oct | 1615101742155 |
9 | 378855367027 |
10 | 122021201005 |
11 | 47826872380 |
12 | 1b7947a0b51 |
13 | b677b756b2 |
14 | 5c9795d9db |
15 | 3292654dda |
hex | 1c6907c46d |
122021201005 has 8 divisors (see below), whose sum is σ = 159736845024. Its totient is φ = 88742691600.
The previous prime is 122021200999. The next prime is 122021201021. The reversal of 122021201005 is 500102120221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122021201005 - 23 = 122021200997 is a prime.
It is a super-2 number, since 2×1220212010052 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122021201005.
It is a congruent number.
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, 1109283591 + ... + 1109283700.
It is an arithmetic number, because the mean of its divisors is an integer number (19967105628).
Almost surely, 2122021201005 is an apocalyptic number.
It is an amenable number.
122021201005 is a deficient number, since it is larger than the sum of its proper divisors (37715644019).
122021201005 is a wasteful number, since it uses less digits than its factorization.
122021201005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2218567307.
The product of its (nonzero) digits is 80, while the sum is 16.
Adding to 122021201005 its reverse (500102120221), we get a palindrome (622123321226).
The spelling of 122021201005 in words is "one hundred twenty-two billion, twenty-one million, two hundred one thousand, five".
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