Base | Representation |
---|---|
bin | 10001110000011010101… |
… | …000100001010111011011 |
3 | 11022122121001120122220021 |
4 | 101300122220201113123 |
5 | 124443001142321412 |
6 | 2332321000411311 |
7 | 154105061655334 |
oct | 21603250412733 |
9 | 4278531518807 |
10 | 1220217542107 |
11 | 430544a9a783 |
12 | 1785a0476b37 |
13 | 8b0b207c385 |
14 | 430b767b28b |
15 | 21b19ac8607 |
hex | 11c1aa215db |
1220217542107 has 8 divisors (see below), whose sum is σ = 1278379092992. Its totient is φ = 1163230972200.
The previous prime is 1220217542069. The next prime is 1220217542153. The reversal of 1220217542107 is 7012457120221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220217542107 - 215 = 1220217509339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1220217540107) 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 7 ways as a sum of consecutive naturals, for example, 293743119 + ... + 293747272.
It is an arithmetic number, because the mean of its divisors is an integer number (159797386624).
Almost surely, 21220217542107 is an apocalyptic number.
1220217542107 is a deficient number, since it is larger than the sum of its proper divisors (58161550885).
1220217542107 is an equidigital number, since it uses as much as digits as its factorization.
1220217542107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587490489.
The product of its (nonzero) digits is 15680, while the sum is 34.
The spelling of 1220217542107 in words is "one trillion, two hundred twenty billion, two hundred seventeen million, five hundred forty-two thousand, one hundred seven".
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