Base | Representation |
---|---|
bin | 101111000101110… |
… | …0011000010110101 |
3 | 11002010012122201120 |
4 | 1132023203002311 |
5 | 11214000213204 |
6 | 420442414153 |
7 | 54104335026 |
oct | 13613430265 |
9 | 4063178646 |
10 | 1580085429 |
11 | 740a0a62a |
12 | 381201359 |
13 | 1c24824c0 |
14 | 10dbccc4d |
15 | 93ab86d9 |
hex | 5e2e30b5 |
1580085429 has 32 divisors (see below), whose sum is σ = 2446550400. Its totient is φ = 898698240.
The previous prime is 1580085401. The next prime is 1580085461. The reversal of 1580085429 is 9245800851.
It is a happy number.
1580085429 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1580085429 - 28 = 1580085173 is a prime.
It is a super-2 number, since 2×15800854292 = 4993339925876228082, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1580085229) 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, 4377 + ... + 56385.
It is an arithmetic number, because the mean of its divisors is an integer number (76454700).
Almost surely, 21580085429 is an apocalyptic number.
1580085429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1580085429 is a deficient number, since it is larger than the sum of its proper divisors (866464971).
1580085429 is a wasteful number, since it uses less digits than its factorization.
1580085429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52085.
The product of its (nonzero) digits is 115200, while the sum is 42.
The square root of 1580085429 is about 39750.2884140480. The cubic root of 1580085429 is about 1164.7342757560.
The spelling of 1580085429 in words is "one billion, five hundred eighty million, eighty-five thousand, four hundred twenty-nine".
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