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2109589370 = 25731972161
BaseRepresentation
bin111110110111101…
…1100011101111010
312110000120020120122
41331233130131322
513310023324440
6545155453242
7103164133220
oct17557343572
95400506518
102109589370
11992898799
124aa5b7222
13278097845
14160264b10
15c530d7b5
hex7dbdc77a

2109589370 has 32 divisors (see below), whose sum is σ = 4479722496. Its totient is φ = 699955200.

The previous prime is 2109589367. The next prime is 2109589387. The reversal of 2109589370 is 739859012.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483911 + ... + 488250.

It is an arithmetic number, because the mean of its divisors is an integer number (139991328).

Almost surely, 22109589370 is an apocalyptic number.

2109589370 is an abundant number, since it is smaller than the sum of its proper divisors (2370133126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109589370 is a wasteful number, since it uses less digits than its factorization.

2109589370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972206.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 2109589370 is about 45930.2663828548. The cubic root of 2109589370 is about 1282.5254035781.

The spelling of 2109589370 in words is "two billion, one hundred nine million, five hundred eighty-nine thousand, three hundred seventy".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 972161 1944322 4860805 6805127 9721610 13610254 30136991 34025635 60273982 68051270 150684955 210958937 301369910 421917874 1054794685 2109589370