Search a number
-
+
86138980590 = 23513216989937
BaseRepresentation
bin101000000111001001…
…0001000100011101110
322020100011200121012110
41100032102020203232
52402403034334330
6103323253144450
76136414153125
oct1201622104356
9266304617173
1086138980590
1133593233063
121483b92b126
138179c41c00
144252204abc
15239240adb0
hex140e4888ee

86138980590 has 48 divisors (see below), whose sum is σ = 223859423088. Its totient is φ = 21203440128.

The previous prime is 86138980589. The next prime is 86138980651. The reversal of 86138980590 is 9508983168.

It is a self number, because there is not a number n which added to its sum of digits gives 86138980590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8489899 + ... + 8500038.

It is an arithmetic number, because the mean of its divisors is an integer number (4663737981).

Almost surely, 286138980590 is an apocalyptic number.

86138980590 is an abundant number, since it is smaller than the sum of its proper divisors (137720442498).

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

86138980590 is a wasteful number, since it uses less digits than its factorization.

86138980590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16989973 (or 16989960 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 86138980590 in words is "eighty-six billion, one hundred thirty-eight million, nine hundred eighty thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 16989937 33979874 50969811 84949685 101939622 169899370 220869181 254849055 441738362 509698110 662607543 1104345905 1325215086 2208691810 2871299353 3313037715 5742598706 6626075430 8613898059 14356496765 17227796118 28712993530 43069490295 86138980590