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1630105357 = 10143137447
BaseRepresentation
bin110000100101001…
…0110111100001101
311012121022221011111
41201022112330031
511314301332412
6425430452021
755252444516
oct14112267415
94177287144
101630105357
11767174311
12395b04011
131cc9469aa
141166cda0d
15981992a7
hex61296f0d

1630105357 has 8 divisors (see below), whose sum is σ = 1650108672. Its totient is φ = 1610178000.

The previous prime is 1630105349. The next prime is 1630105369. The reversal of 1630105357 is 7535010361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1630105357 - 23 = 1630105349 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 (1630105307) 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, 24808 + ... + 62254.

It is an arithmetic number, because the mean of its divisors is an integer number (206263584).

Almost surely, 21630105357 is an apocalyptic number.

It is an amenable number.

1630105357 is a deficient number, since it is larger than the sum of its proper divisors (20003315).

1630105357 is a wasteful number, since it uses less digits than its factorization.

1630105357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37979.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 1630105357 is about 40374.5632422197. The cubic root of 1630105357 is about 1176.8972775281.

The spelling of 1630105357 in words is "one billion, six hundred thirty million, one hundred five thousand, three hundred fifty-seven".

Divisors: 1 101 431 37447 43531 3782147 16139657 1630105357