Search a number
-
+
120221102222220 = 22354148870366757
BaseRepresentation
bin11011010101011100101000…
…000101111010101110001100
3120202200000200022121200022210
4123111130220011322232030
5111224200304132102340
61103404451212510420
734215454662105006
oct3325345005725614
9522600608550283
10120221102222220
113534053505728a
12115977a3a7b410
135210a555a1a6c
142198a37993376
15dd73604ba180
hex6d572817ab8c

120221102222220 has 48 divisors (see below), whose sum is σ = 344829307844448. Its totient is φ = 31277034723840.

The previous prime is 120221102222203. The next prime is 120221102222233. The reversal of 120221102222220 is 22222201122021.

It is a super-3 number, since 3×1202211022222203 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 24435180919 + ... + 24435185838.

It is an arithmetic number, because the mean of its divisors is an integer number (7183943913426).

Almost surely, 2120221102222220 is an apocalyptic number.

120221102222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221102222220 is an abundant number, since it is smaller than the sum of its proper divisors (224608205622228).

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

120221102222220 is a wasteful number, since it uses less digits than its factorization.

120221102222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48870366810 (or 48870366808 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120221102222220 its reverse (22222201122021), we get a palindrome (142443303344241).

The spelling of 120221102222220 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 48870366757 97740733514 146611100271 195481467028 244351833785 293222200542 488703667570 586444401084 733055501355 977407335140 1466111002710 2003685037037 2932222005420 4007370074074 6011055111111 8014740148148 10018425185185 12022110222222 20036850370370 24044220444444 30055275555555 40073700740740 60110551111110 120221102222220