Search a number
-
+
32340561890 = 25713101335083
BaseRepresentation
bin11110000111101001…
…011100111111100010
310002110212110202200112
4132013221130333202
51012213140440030
622505042251322
72223300145310
oct360751347742
9102425422615
1032340561890
11127964498aa
126326956b42
13308526c770
1417cb2350b0
15c9435da95
hex787a5cfe2

32340561890 has 64 divisors (see below), whose sum is σ = 71719554816. Its totient is φ = 10224859392.

The previous prime is 32340561889. The next prime is 32340561931. The reversal of 32340561890 is 9816504323.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904289 + ... + 939371.

It is an arithmetic number, because the mean of its divisors is an integer number (1120618044).

Almost surely, 232340561890 is an apocalyptic number.

32340561890 is an abundant number, since it is smaller than the sum of its proper divisors (39378992926).

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

32340561890 is a wasteful number, since it uses less digits than its factorization.

32340561890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36123.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 32340561890 in words is "thirty-two billion, three hundred forty million, five hundred sixty-one thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1013 2026 5065 7091 10130 13169 14182 26338 35083 35455 65845 70166 70910 92183 131690 175415 184366 245581 350830 456079 460915 491162 912158 921830 1227905 2280395 2455810 3192553 4560790 6385106 15962765 31925530 35539079 71078158 177695395 248773553 355390790 462008027 497547106 924016054 1243867765 2310040135 2487735530 3234056189 4620080270 6468112378 16170280945 32340561890