Search a number
-
+
120010121020 = 225101125947189
BaseRepresentation
bin110111111000100101…
…0010001111100111100
3102110202201012210221001
41233301022101330330
53431240042333040
6131044253220044
711445651124516
oct1576112217474
9373681183831
10120010121020
11469946481a9
121b313191624
13b41731c03a
145b4681cbb6
1531c5d0459a
hex1bf1291f3c

120010121020 has 48 divisors (see below), whose sum is σ = 254724069600. Its totient is φ = 47490003200.

The previous prime is 120010121009. The next prime is 120010121047. The reversal of 120010121020 is 20121010021.

120010121020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120010120988 and 120010121006.

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, 2519586 + ... + 2566774.

It is an arithmetic number, because the mean of its divisors is an integer number (5306751450).

Almost surely, 2120010121020 is an apocalyptic number.

120010121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010121020 is an abundant number, since it is smaller than the sum of its proper divisors (134713948580).

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

120010121020 is a wasteful number, since it uses less digits than its factorization.

120010121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48558 (or 48556 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120010121020 its reverse (20121010021), we get a palindrome (140131131041).

The spelling of 120010121020 in words is "one hundred twenty billion, ten million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1259 2020 2518 5036 6295 12590 25180 47189 94378 127159 188756 235945 254318 471890 508636 635795 943780 1271590 2543180 4766089 9532178 19064356 23830445 47660890 59410951 95321780 118821902 237643804 297054755 594109510 1188219020 6000506051 12001012102 24002024204 30002530255 60005060510 120010121020