Search a number
-
+
120220102120 = 2354097348417
BaseRepresentation
bin110111111110110101…
…1010010110111101000
3102111022100022221211211
41233331223102313220
53432202321231440
6131121154002504
711454111002356
oct1577553226750
9374270287754
10120220102120
1146a921280a8
121b371576434
13b44b98c401
145b6667c7d6
1531d9480eea
hex1bfdad2de8

120220102120 has 32 divisors (see below), whose sum is σ = 271156624200. Its totient is φ = 47970459648.

The previous prime is 120220102099. The next prime is 120220102139. The reversal of 120220102120 is 21201022021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 115685695876 + 4534406244 = 340126^2 + 67338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120220102120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657849 + ... + 3690568.

Almost surely, 2120220102120 is an apocalyptic number.

120220102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220102120 is an abundant number, since it is smaller than the sum of its proper divisors (150936522080).

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

120220102120 is a wasteful number, since it uses less digits than its factorization.

120220102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348837 (or 7348833 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120220102120 its reverse (21201022021), we get a palindrome (141421124141).

The spelling of 120220102120 in words is "one hundred twenty billion, two hundred twenty million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 409 818 1636 2045 3272 4090 8180 16360 7348417 14696834 29393668 36742085 58787336 73484170 146968340 293936680 3005502553 6011005106 12022010212 15027512765 24044020424 30055025530 60110051060 120220102120