Base | Representation |
---|---|
bin | 100111100110111111… |
… | …100101000010111011 |
3 | 11001202222221120022211 |
4 | 213212333211002323 |
5 | 1144100203212110 |
6 | 31312120155551 |
7 | 3033636105250 |
oct | 474677450273 |
9 | 131688846284 |
10 | 42530132155 |
11 | 17045172855 |
12 | 82ab308bb7 |
13 | 401a301b94 |
14 | 20b6623427 |
15 | 118dbb598a |
hex | 9e6fe50bb |
42530132155 has 16 divisors (see below), whose sum is σ = 58332708864. Its totient is φ = 29160684000.
The previous prime is 42530132131. The next prime is 42530132167. The reversal of 42530132155 is 55123103524.
It is not a de Polignac number, because 42530132155 - 27 = 42530132027 is a prime.
It is a super-2 number, since 2×425301321552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345030 + ... + 451780.
It is an arithmetic number, because the mean of its divisors is an integer number (3645794304).
Almost surely, 242530132155 is an apocalyptic number.
42530132155 is a deficient number, since it is larger than the sum of its proper divisors (15802576709).
42530132155 is a wasteful number, since it uses less digits than its factorization.
42530132155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118146.
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 42530132155 its reverse (55123103524), we get a palindrome (97653235679).
The spelling of 42530132155 in words is "forty-two billion, five hundred thirty million, one hundred thirty-two thousand, one hundred fifty-five".
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