Base | Representation |
---|---|
bin | 10001110000011010001… |
… | …111111111000010000011 |
3 | 11022122120121110212201210 |
4 | 101300122033333002003 |
5 | 124442443021010034 |
6 | 2332320210501203 |
7 | 154104653206026 |
oct | 21603217770203 |
9 | 4278517425653 |
10 | 1220211110019 |
11 | 4305413a7200 |
12 | 17859a294803 |
13 | 8b0b09397c5 |
14 | 430b68851bd |
15 | 21b192578e9 |
hex | 11c1a3ff083 |
1220211110019 has 48 divisors (see below), whose sum is σ = 1811054488320. Its totient is φ = 730152456000.
The previous prime is 1220211110009. The next prime is 1220211110029. The reversal of 1220211110019 is 9100111120221.
It is an interprime number because it is at equal distance from previous prime (1220211110009) and next prime (1220211110029).
It is not a de Polignac number, because 1220211110019 - 27 = 1220211109891 is a prime.
It is a super-2 number, since 2×12202111100192 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1220211109977 and 1220211110004.
It is not an unprimeable number, because it can be changed into a prime (1220211110009) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13115664 + ... + 13208370.
It is an arithmetic number, because the mean of its divisors is an integer number (37730301840).
Almost surely, 21220211110019 is an apocalyptic number.
1220211110019 is a deficient number, since it is larger than the sum of its proper divisors (590843378301).
1220211110019 is a wasteful number, since it uses less digits than its factorization.
1220211110019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93192 (or 93181 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 21.
The spelling of 1220211110019 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred ten thousand, nineteen".
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