Base | Representation |
---|---|
bin | 100111111110110010… |
… | …111011101010111100 |
3 | 11002210211101001001120 |
4 | 213332302323222330 |
5 | 1200404421021030 |
6 | 31415503310540 |
7 | 3046555322034 |
oct | 477662735274 |
9 | 132724331046 |
10 | 42929470140 |
11 | 1722a626347 |
12 | 83a0bab450 |
13 | 4081c7104b |
14 | 21136948c4 |
15 | 11b3c98010 |
hex | 9fecbbabc |
42929470140 has 24 divisors (see below), whose sum is σ = 120202516560. Its totient is φ = 11447858688.
The previous prime is 42929470121. The next prime is 42929470141. The reversal of 42929470140 is 4107492924.
It is a junction number, because it is equal to n+sod(n) for n = 42929470092 and 42929470101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42929470141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357745525 + ... + 357745644.
It is an arithmetic number, because the mean of its divisors is an integer number (5008438190).
Almost surely, 242929470140 is an apocalyptic number.
It is an amenable number.
42929470140 is an abundant number, since it is smaller than the sum of its proper divisors (77273046420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42929470140 is a wasteful number, since it uses less digits than its factorization.
42929470140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715491181 (or 715491179 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 42929470140 in words is "forty-two billion, nine hundred twenty-nine million, four hundred seventy thousand, one hundred forty".
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