Base | Representation |
---|---|
bin | 10001110001011011010… |
… | …001011111001110111001 |
3 | 11022202101122020000010212 |
4 | 101301123101133032321 |
5 | 130002211304214342 |
6 | 2333020340520505 |
7 | 154144000624442 |
oct | 21613321371671 |
9 | 4282348200125 |
10 | 1221302023097 |
11 | 430a51175362 |
12 | 1788436b0135 |
13 | 8b2259583c0 |
14 | 4317b6da2c9 |
15 | 21b7ede6182 |
hex | 11c5b45f3b9 |
1221302023097 has 8 divisors (see below), whose sum is σ = 1315828535616. Its totient is φ = 1126858396752.
The previous prime is 1221302023087. The next prime is 1221302023099. The reversal of 1221302023097 is 7903202031221.
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 1221302023097 - 28 = 1221302022841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1221302023099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20690933 + ... + 20749874.
It is an arithmetic number, because the mean of its divisors is an integer number (164478566952).
Almost surely, 21221302023097 is an apocalyptic number.
It is an amenable number.
1221302023097 is a deficient number, since it is larger than the sum of its proper divisors (94526512519).
1221302023097 is a wasteful number, since it uses less digits than its factorization.
1221302023097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41443087.
The product of its (nonzero) digits is 9072, while the sum is 32.
The spelling of 1221302023097 in words is "one trillion, two hundred twenty-one billion, three hundred two million, twenty-three thousand, ninety-seven".
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