Base | Representation |
---|---|
bin | 1000011101101100001… |
… | …1111100001010011001 |
3 | 111220022210222212200222 |
4 | 2013123003330022121 |
5 | 4340244221221204 |
6 | 150444451005425 |
7 | 13335242333351 |
oct | 2073303741231 |
9 | 456283885628 |
10 | 145409163929 |
11 | 56738756057 |
12 | 24221299875 |
13 | 10934420303 |
14 | 7075b9bb61 |
15 | 3bb0a4babe |
hex | 21db0fc299 |
145409163929 has 8 divisors (see below), whose sum is σ = 158340288000. Its totient is φ = 133005840912.
The previous prime is 145409163919. The next prime is 145409163937. The reversal of 145409163929 is 929361904541.
145409163929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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-145409163929 is a prime.
It is a super-2 number, since 2×1454091639292 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145409163919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131949689 + ... + 131950790.
It is an arithmetic number, because the mean of its divisors is an integer number (19792536000).
Almost surely, 2145409163929 is an apocalyptic number.
145409163929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
145409163929 is a deficient number, since it is larger than the sum of its proper divisors (12931124071).
145409163929 is a wasteful number, since it uses less digits than its factorization.
145409163929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263900527.
The product of its (nonzero) digits is 2099520, while the sum is 53.
The spelling of 145409163929 in words is "one hundred forty-five billion, four hundred nine million, one hundred sixty-three thousand, nine hundred twenty-nine".
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