Base | Representation |
---|---|
bin | 1100001110011111111… |
… | …01001001110010101011 |
3 | 1111011100112122212201102 |
4 | 12013033331021302223 |
5 | 23340331242223230 |
6 | 520554104512015 |
7 | 42231326251202 |
oct | 6071775116253 |
9 | 1434315585642 |
10 | 420100742315 |
11 | 152188a0a631 |
12 | 69502a7b60b |
13 | 307ccb595c7 |
14 | 164939d0239 |
15 | addb414045 |
hex | 61cff49cab |
420100742315 has 64 divisors (see below), whose sum is σ = 553021032960. Its totient is φ = 305266268160.
The previous prime is 420100742309. The next prime is 420100742317. The reversal of 420100742315 is 513247001024.
It is not a de Polignac number, because 420100742315 - 214 = 420100725931 is a prime.
It is a super-2 number, since 2×4201007423152 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (420100742317) 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 63 ways as a sum of consecutive naturals, for example, 147765284 + ... + 147768126.
It is an arithmetic number, because the mean of its divisors is an integer number (8640953640).
Almost surely, 2420100742315 is an apocalyptic number.
420100742315 is a deficient number, since it is larger than the sum of its proper divisors (132920290645).
420100742315 is a wasteful number, since it uses less digits than its factorization.
420100742315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3564.
The product of its (nonzero) digits is 6720, while the sum is 29.
Adding to 420100742315 its reverse (513247001024), we get a palindrome (933347743339).
The spelling of 420100742315 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, three hundred fifteen".
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