Base | Representation |
---|---|
bin | 100111101001110110… |
… | …011001001111010111 |
3 | 11001220100010100200122 |
4 | 213221312121033113 |
5 | 1144144440244101 |
6 | 31320551302155 |
7 | 3035060335331 |
oct | 475166311727 |
9 | 131810110618 |
10 | 42578056151 |
11 | 1706a225864 |
12 | 830337a95b |
13 | 4027211387 |
14 | 20bcb3a451 |
15 | 1192ed051b |
hex | 9e9d993d7 |
42578056151 has 8 divisors (see below), whose sum is σ = 42676079904. Its totient is φ = 42480133120.
The previous prime is 42578056133. The next prime is 42578056177. The reversal of 42578056151 is 15165087524.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42578056151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42578056051) 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, 856391 + ... + 904743.
It is an arithmetic number, because the mean of its divisors is an integer number (5334509988).
Almost surely, 242578056151 is an apocalyptic number.
42578056151 is a deficient number, since it is larger than the sum of its proper divisors (98023753).
42578056151 is a wasteful number, since it uses less digits than its factorization.
42578056151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50361.
The product of its (nonzero) digits is 336000, while the sum is 44.
The spelling of 42578056151 in words is "forty-two billion, five hundred seventy-eight million, fifty-six thousand, one hundred fifty-one".
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