Search a number
-
+
220112010021001 = 71729254925022399
BaseRepresentation
bin110010000011000011010010…
…001010110000100010001001
31001212100111120102201012001111
4302003003102022300202021
5212322303344031133001
62100050021135050321
764235365541656420
oct6203032212604211
91055314512635044
10220112010021001
1164152a85391a7a
122082b2229709a1
1395a8620315147
143c4d699dac2b7
151a6a94270e851
hexc830d22b0889

220112010021001 has 32 divisors (see below), whose sum is σ = 275646758400000. Its totient is φ = 171379004439552.

The previous prime is 220112010020911. The next prime is 220112010021019. The reversal of 220112010021001 is 100120010211022.

It is not a de Polignac number, because 220112010021001 - 213 = 220112010012809 is a prime.

It is a super-2 number, since 2×2201120100210012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220112010081001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3714601 + ... + 21307798.

It is an arithmetic number, because the mean of its divisors is an integer number (8613961200000).

Almost surely, 2220112010021001 is an apocalyptic number.

It is an amenable number.

220112010021001 is a deficient number, since it is larger than the sum of its proper divisors (55534748378999).

220112010021001 is a wasteful number, since it uses less digits than its factorization.

220112010021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025001.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220112010021001 its reverse (100120010211022), we get a palindrome (320232020232023).

The spelling of 220112010021001 in words is "two hundred twenty trillion, one hundred twelve billion, ten million, twenty-one thousand, one".

Divisors: 1 7 17 29 119 203 493 2549 3451 17843 43333 73921 303331 517447 1256657 8796599 25022399 175156793 425380783 725649571 2977665481 5079546997 12336042707 63782095051 86352298949 446474665357 1084295615867 1849680756479 7590069311069 12947765295353 31444572860143 220112010021001