Search a number
-
+
120210111020 = 2256010505551
BaseRepresentation
bin110111111110100010…
…1001011101000101100
3102111021122112100122002
41233331011023220230
53432142242023040
6131120155511432
711453630040656
oct1577505135054
9374248470562
10120210111020
1146a8752369a
121b36a158578
13b4498a190c
145b651db6d6
1531d865aa15
hex1bfd14ba2c

120210111020 has 12 divisors (see below), whose sum is σ = 252441233184. Its totient is φ = 48084044400.

The previous prime is 120210111001. The next prime is 120210111023. The reversal of 120210111020 is 20111012021.

It is a junction number, because it is equal to n+sod(n) for n = 120210110992 and 120210111010.

It is not an unprimeable number, because it can be changed into a prime (120210111023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005252756 + ... + 3005252795.

It is an arithmetic number, because the mean of its divisors is an integer number (21036769432).

Almost surely, 2120210111020 is an apocalyptic number.

120210111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210111020 is an abundant number, since it is smaller than the sum of its proper divisors (132231122164).

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

120210111020 is a wasteful number, since it uses less digits than its factorization.

120210111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010505560 (or 6010505558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120210111020 its reverse (20111012021), we get a palindrome (140321123041).

It can be divided in two parts, 1202101 and 11020, that added together give a palindrome (1213121).

The spelling of 120210111020 in words is "one hundred twenty billion, two hundred ten million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 6010505551 12021011102 24042022204 30052527755 60105055510 120210111020