Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …010001110000011110110 |
3 | 11022122112220211220121012 |
4 | 101300121222032003312 |
5 | 124442433002210402 |
6 | 2332315214352222 |
7 | 154104503104220 |
oct | 21603152160366 |
9 | 4278486756535 |
10 | 1220201210102 |
11 | 430536855256 |
12 | 178596abb672 |
13 | 8b0ab881674 |
14 | 430b5429410 |
15 | 21b1844e452 |
hex | 11c19a8e0f6 |
1220201210102 has 16 divisors (see below), whose sum is σ = 2118251650560. Its totient is φ = 516323838888.
The previous prime is 1220201210093. The next prime is 1220201210131. The reversal of 1220201210102 is 2010121020221.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 551626928 + ... + 551629139.
It is an arithmetic number, because the mean of its divisors is an integer number (132390728160).
Almost surely, 21220201210102 is an apocalyptic number.
1220201210102 is a deficient number, since it is larger than the sum of its proper divisors (898050440458).
1220201210102 is a wasteful number, since it uses less digits than its factorization.
1220201210102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1103256155.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220201210102 its reverse (2010121020221), we get a palindrome (3230322230323).
The spelling of 1220201210102 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred ten thousand, one hundred two".
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