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2005153465420 = 225743333081971
BaseRepresentation
bin11101001011011100011…
…101011100010001001100
321002200122121000000111201
4131023130131130101030
5230323023241343140
64133053233355244
7264603400144420
oct35133435342114
97080577000451
102005153465420
11703420947716
12284741a08b24
131171151362b1
146d09b09cb80
153725a64a49a
hex1d2dc75c44c

2005153465420 has 48 divisors (see below), whose sum is σ = 4924283874048. Its totient is φ = 671493251520.

The previous prime is 2005153465387. The next prime is 2005153465457. The reversal of 2005153465420 is 245643515002.

It is a self number, because there is not a number n which added to its sum of digits gives 2005153465420.

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, 166534966 + ... + 166547005.

It is an arithmetic number, because the mean of its divisors is an integer number (102589247376).

Almost surely, 22005153465420 is an apocalyptic number.

2005153465420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005153465420 is an abundant number, since it is smaller than the sum of its proper divisors (2919130408628).

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

2005153465420 is a wasteful number, since it uses less digits than its factorization.

2005153465420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333082030 (or 333082028 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 2005153465420 in words is "two trillion, five billion, one hundred fifty-three million, four hundred sixty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 333081971 666163942 1332327884 1665409855 2331573797 3330819710 4663147594 6661639420 9326295188 11657868985 14322524753 23315737970 28645049506 46631475940 57290099012 71612623765 100257673271 143225247530 200515346542 286450495060 401030693084 501288366355 1002576732710 2005153465420