Base | Representation |
---|---|
bin | 10001110000100011001… |
… | …010111000001001011101 |
3 | 11022122222001002012012120 |
4 | 101300203022320021131 |
5 | 124443244324003140 |
6 | 2332343114253153 |
7 | 154111451234001 |
oct | 21604312701135 |
9 | 4278861065176 |
10 | 1220360766045 |
11 | 430608923a73 |
12 | 1786204271b9 |
13 | 8b105947c75 |
14 | 430cc6c0701 |
15 | 21b2746a1d0 |
hex | 11c232b825d |
1220360766045 has 8 divisors (see below), whose sum is σ = 1952577225696. Its totient is φ = 650859075216.
The previous prime is 1220360766029. The next prime is 1220360766049. The reversal of 1220360766045 is 5406670630221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1220360766045 - 24 = 1220360766029 is a prime.
It is a super-4 number, since 4×12203607660454 (a number of 49 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1220360765988 and 1220360766006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220360766049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40678692187 + ... + 40678692216.
It is an arithmetic number, because the mean of its divisors is an integer number (244072153212).
Almost surely, 21220360766045 is an apocalyptic number.
1220360766045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1220360766045 is a deficient number, since it is larger than the sum of its proper divisors (732216459651).
1220360766045 is an equidigital number, since it uses as much as digits as its factorization.
1220360766045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81357384411.
The product of its (nonzero) digits is 362880, while the sum is 42.
The spelling of 1220360766045 in words is "one trillion, two hundred twenty billion, three hundred sixty million, seven hundred sixty-six thousand, forty-five".
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