Base | Representation |
---|---|
bin | 110111111110101000… |
… | …1011001001011011100 |
3 | 102111021212112222212001 |
4 | 1233331101121023130 |
5 | 3432144101442340 |
6 | 131120352252044 |
7 | 11453666202631 |
oct | 1577521311334 |
9 | 374255488761 |
10 | 120213312220 |
11 | 46a8930a811 |
12 | 1b36b241024 |
13 | b44a452a11 |
14 | 5b657d2188 |
15 | 31d8a8e29a |
hex | 1bfd4592dc |
120213312220 has 24 divisors (see below), whose sum is σ = 253197073584. Its totient is φ = 47942635776.
The previous prime is 120213312217. The next prime is 120213312269. The reversal of 120213312220 is 22213312021.
It is a congruent number.
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, 8911162 + ... + 8924641.
It is an arithmetic number, because the mean of its divisors is an integer number (10549878066).
Almost surely, 2120213312220 is an apocalyptic number.
120213312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120213312220 is an abundant number, since it is smaller than the sum of its proper divisors (132983761364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120213312220 is a wasteful number, since it uses less digits than its factorization.
120213312220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17836149 (or 17836147 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 120213312220 its reverse (22213312021), we get a palindrome (142426624241).
The spelling of 120213312220 in words is "one hundred twenty billion, two hundred thirteen million, three hundred twelve thousand, two hundred twenty".
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