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220131021223104 = 2634940923204593
BaseRepresentation
bin110010000011010100111111…
…010100101111010011000000
31001212102022122100122022120220
4302003110333110233103000
5212323111312413114404
62100102443423103040
764236640626346545
oct6203247724572300
91055368570568526
10220131021223104
1164160050749552
1220832a49741a80
1395aa35cba5664
143c50580c20bcc
151a6b1a675d4d9
hexc8353f52f4c0

220131021223104 has 56 divisors (see below), whose sum is σ = 582441806686320. Its totient is φ = 73375518818304.

The previous prime is 220131021223051. The next prime is 220131021223177. The reversal of 220131021223104 is 401322120131022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2115769 + ... + 21088824.

It is an arithmetic number, because the mean of its divisors is an integer number (10400746547970).

Almost surely, 2220131021223104 is an apocalyptic number.

220131021223104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220131021223104 is an abundant number, since it is smaller than the sum of its proper divisors (362310785463216).

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

220131021223104 is a wasteful number, since it uses less digits than its factorization.

220131021223104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254017 (or 23254007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 220131021223104 its reverse (401322120131022), we get a palindrome (621453141354126).

The spelling of 220131021223104 in words is "two hundred twenty trillion, one hundred thirty-one billion, twenty-one million, two hundred twenty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 49409 98818 148227 197636 296454 395272 592908 790544 1185816 1581088 2371632 3162176 4743264 9486528 23204593 46409186 69613779 92818372 139227558 185636744 278455116 371273488 556910232 742546976 1113820464 1485093952 2227640928 4455281856 1146515735537 2293031471074 3439547206611 4586062942148 6879094413222 9172125884296 13758188826444 18344251768592 27516377652888 36688503537184 55032755305776 73377007074368 110065510611552 220131021223104