Search a number
-
+
18582139310 = 257416474613
BaseRepresentation
bin10001010011100101…
…001111000110101110
31202222000120111000212
4101103211033012232
5301024011424220
612311515422422
71225324402160
oct212345170656
952860514025
1018582139310
117976151329
123727154a12
1319a1a14707
14c83c84930
1573b5490c5
hex45394f1ae

18582139310 has 32 divisors (see below), whose sum is σ = 39158465472. Its totient is φ = 6215627520.

The previous prime is 18582139307. The next prime is 18582139363. The reversal of 18582139310 is 1393128581.

It is a super-2 number, since 2×185821393102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent 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, 3234437 + ... + 3240176.

It is an arithmetic number, because the mean of its divisors is an integer number (1223702046).

Almost surely, 218582139310 is an apocalyptic number.

18582139310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18582139310 is an abundant number, since it is smaller than the sum of its proper divisors (20576326162).

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

18582139310 is a wasteful number, since it uses less digits than its factorization.

18582139310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474668.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 18582139310 in words is "eighteen billion, five hundred eighty-two million, one hundred thirty-nine thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 41 70 82 205 287 410 574 1435 2870 6474613 12949226 32373065 45322291 64746130 90644582 226611455 265459133 453222910 530918266 1327295665 1858213931 2654591330 3716427862 9291069655 18582139310