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1830138070 = 251078916963
BaseRepresentation
bin110110100010101…
…1011000011010110
311201112201122110111
41231011123003112
512222003404240
6501334113234
763231626335
oct15505330326
94645648414
101830138070
1185a079902
12430aab81a
13232212b47
141350bdd1c
15aaa0d1ea
hex6d15b0d6

1830138070 has 16 divisors (see below), whose sum is σ = 3294748080. Its totient is φ = 731944224.

The previous prime is 1830138059. The next prime is 1830138097. The reversal of 1830138070 is 708310381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99409 + ... + 116371.

It is an arithmetic number, because the mean of its divisors is an integer number (205921755).

Almost surely, 21830138070 is an apocalyptic number.

1830138070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830138070 is a deficient number, since it is larger than the sum of its proper divisors (1464610010).

1830138070 is a wasteful number, since it uses less digits than its factorization.

1830138070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27759.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1830138070 is about 42780.1130199536. The cubic root of 1830138070 is about 1223.1919616439.

The spelling of 1830138070 in words is "one billion, eight hundred thirty million, one hundred thirty-eight thousand, seventy".

Divisors: 1 2 5 10 10789 16963 21578 33926 53945 84815 107890 169630 183013807 366027614 915069035 1830138070