Base | Representation |
---|---|
bin | 100111100001000010… |
… | …000101010101000101 |
3 | 11001112000202200211020 |
4 | 213201002011111011 |
5 | 1143344103003011 |
6 | 31254144501353 |
7 | 3031313054310 |
oct | 474102052505 |
9 | 131460680736 |
10 | 42430125381 |
11 | 16aa3777226 |
12 | 828191a859 |
13 | 4002688287 |
14 | 20a722d977 |
15 | 118500e006 |
hex | 9e1085545 |
42430125381 has 32 divisors (see below), whose sum is σ = 65355644928. Its totient is φ = 23983464960.
The previous prime is 42430125379. The next prime is 42430125383. The reversal of 42430125381 is 18352103424.
It is an interprime number because it is at equal distance from previous prime (42430125379) and next prime (42430125383).
It is not a de Polignac number, because 42430125381 - 21 = 42430125379 is a prime.
It is a super-2 number, since 2×424301253812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42430125383) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5175996 + ... + 5184186.
It is an arithmetic number, because the mean of its divisors is an integer number (2042363904).
Almost surely, 242430125381 is an apocalyptic number.
It is an amenable number.
42430125381 is a deficient number, since it is larger than the sum of its proper divisors (22925519547).
42430125381 is a wasteful number, since it uses less digits than its factorization.
42430125381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10841.
The product of its (nonzero) digits is 23040, while the sum is 33.
The spelling of 42430125381 in words is "forty-two billion, four hundred thirty million, one hundred twenty-five thousand, three hundred eighty-one".
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