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133123231010 = 25711792188447
BaseRepresentation
bin111101111111011000…
…0110100110100100010
3110201121120211211010102
41323332300310310202
54140114021343020
6141053404502402
712421626536060
oct1737660646442
9421546754112
10133123231010
1151503658890
122197284aa02
13c726c74813
14662c1cd030
1536e214a475
hex1efec34d22

133123231010 has 64 divisors (see below), whose sum is σ = 302531051520. Its totient is φ = 40967709120.

The previous prime is 133123231001. The next prime is 133123231039. The reversal of 133123231010 is 10132321331.

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, 1033394 + ... + 1155053.

It is an arithmetic number, because the mean of its divisors is an integer number (4727047680).

Almost surely, 2133123231010 is an apocalyptic number.

133123231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133123231010 is an abundant number, since it is smaller than the sum of its proper divisors (169407820510).

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

133123231010 is a wasteful number, since it uses less digits than its factorization.

133123231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188551.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133123231010 its reverse (10132321331), we get a palindrome (143255552341).

The spelling of 133123231010 in words is "one hundred thirty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 79 110 154 158 385 395 553 770 790 869 1106 1738 2765 4345 5530 6083 8690 12166 30415 60830 2188447 4376894 10942235 15319129 21884470 24072917 30638258 48145834 76595645 120364585 153191290 168510419 172887313 240729170 337020838 345774626 842552095 864436565 1210211191 1685104190 1728873130 1901760443 2420422382 3803520886 6051055955 9508802215 12102111910 13312323101 19017604430 26624646202 66561615505 133123231010