Base | Representation |
---|---|
bin | 10001110000010011101… |
… | …100110101011000001101 |
3 | 11022122021221201111121202 |
4 | 101300103230311120031 |
5 | 124442231403412031 |
6 | 2332301243435245 |
7 | 154102150233251 |
oct | 21602354653015 |
9 | 4278257644552 |
10 | 1220101232141 |
11 | 430495379340 |
12 | 178569525b25 |
13 | 8b093c47bcc |
14 | 430a6042261 |
15 | 21b0e7a12cb |
hex | 11c13b3560d |
1220101232141 has 4 divisors (see below), whose sum is σ = 1331019525984. Its totient is φ = 1109182938300.
The previous prime is 1220101232131. The next prime is 1220101232167. The reversal of 1220101232141 is 1412321010221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1220101232141 - 226 = 1220034123277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220101232131) 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 3 ways as a sum of consecutive naturals, for example, 55459146905 + ... + 55459146926.
It is an arithmetic number, because the mean of its divisors is an integer number (332754881496).
Almost surely, 21220101232141 is an apocalyptic number.
1220101232141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1220101232141 is a deficient number, since it is larger than the sum of its proper divisors (110918293843).
1220101232141 is a wasteful number, since it uses less digits than its factorization.
1220101232141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110918293842.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 1220101232141 its reverse (1412321010221), we get a palindrome (2632422242362).
The spelling of 1220101232141 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred thirty-two thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •