Base | Representation |
---|---|
bin | 10011001010111000001111… |
… | …00100100011001011110011 |
3 | 12112021000000112100100002221 |
4 | 21211130013210203023303 |
5 | 21011132403121011201 |
6 | 225353502405021511 |
7 | 11610420631412254 |
oct | 1145340744431363 |
9 | 175230015310087 |
10 | 42155231032051 |
11 | 12482a29a29895 |
12 | 4889b716b4897 |
13 | 1a6a2b506ab07 |
14 | a5a47735ab2b |
15 | 4d184ab694a1 |
hex | 2657079232f3 |
42155231032051 has 8 divisors (see below), whose sum is σ = 42751031148000. Its totient is φ = 41562145268160.
The previous prime is 42155231032049. The next prime is 42155231032081. The reversal of 42155231032051 is 15023013255124.
42155231032051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 42155231032051 - 21 = 42155231032049 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42155231031998 and 42155231032016.
It is not an unprimeable number, because it can be changed into a prime (42155231032081) 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, 678556735 + ... + 678618856.
It is an arithmetic number, because the mean of its divisors is an integer number (5343878893500).
Almost surely, 242155231032051 is an apocalyptic number.
42155231032051 is a deficient number, since it is larger than the sum of its proper divisors (595800115949).
42155231032051 is a wasteful number, since it uses less digits than its factorization.
42155231032051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357176029.
The product of its (nonzero) digits is 36000, while the sum is 34.
Adding to 42155231032051 its reverse (15023013255124), we get a palindrome (57178244287175).
The spelling of 42155231032051 in words is "forty-two trillion, one hundred fifty-five billion, two hundred thirty-one million, thirty-two thousand, fifty-one".
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