Base | Representation |
---|---|
bin | 111101011010011000011… |
… | …010101011100000000111 |
3 | 112221110010001002120101210 |
4 | 331122120122223200013 |
5 | 1023121000020443211 |
6 | 12550423502022503 |
7 | 613620601520142 |
oct | 75323032534007 |
9 | 15843101076353 |
10 | 4220215015431 |
11 | 13878683a0098 |
12 | 581aa5577a33 |
13 | 247c702061ac |
14 | 10838c0b7059 |
15 | 74b9debd9a6 |
hex | 3d6986ab807 |
4220215015431 has 4 divisors (see below), whose sum is σ = 5626953353912. Its totient is φ = 2813476676952.
The previous prime is 4220215015333. The next prime is 4220215015507. The reversal of 4220215015431 is 1345105120224.
4220215015431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 4220215015431 - 238 = 3945337108487 is a prime.
It is a super-2 number, since 2×42202150154312 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4220215035431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703369169236 + ... + 703369169241.
It is an arithmetic number, because the mean of its divisors is an integer number (1406738338478).
Almost surely, 24220215015431 is an apocalyptic number.
4220215015431 is a deficient number, since it is larger than the sum of its proper divisors (1406738338481).
4220215015431 is a wasteful number, since it uses less digits than its factorization.
4220215015431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1406738338480.
The product of its (nonzero) digits is 9600, while the sum is 30.
The spelling of 4220215015431 in words is "four trillion, two hundred twenty billion, two hundred fifteen million, fifteen thousand, four hundred thirty-one".
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