Base | Representation |
---|---|
bin | 110111111011010000… |
… | …1111101000101101111 |
3 | 102110222222201222000212 |
4 | 1233312201331011233 |
5 | 3431431123304403 |
6 | 131101232213035 |
7 | 11451123652613 |
oct | 1576641750557 |
9 | 373888658025 |
10 | 120100213103 |
11 | 46a30491772 |
12 | 1b33939a17b |
13 | b42cba3b70 |
14 | 5b54791343 |
15 | 31cdb9d4d8 |
hex | 1bf687d16f |
120100213103 has 4 divisors (see below), whose sum is σ = 129338691048. Its totient is φ = 110861735160.
The previous prime is 120100213033. The next prime is 120100213117. The reversal of 120100213103 is 301312001021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301312001021 = 21143 ⋅14251147.
It is a cyclic number.
It is not a de Polignac number, because 120100213103 - 28 = 120100212847 is a prime.
It is a super-2 number, since 2×1201002131032 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120100213403) 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, 4619238953 + ... + 4619238978.
It is an arithmetic number, because the mean of its divisors is an integer number (32334672762).
Almost surely, 2120100213103 is an apocalyptic number.
120100213103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
120100213103 is a deficient number, since it is larger than the sum of its proper divisors (9238477945).
120100213103 is an equidigital number, since it uses as much as digits as its factorization.
120100213103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9238477944.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 120100213103 its reverse (301312001021), we get a palindrome (421412214124).
The spelling of 120100213103 in words is "one hundred twenty billion, one hundred million, two hundred thirteen thousand, one hundred three".
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