Base | Representation |
---|---|
bin | 10010101001100010… |
… | …01101010010010100 |
3 | 221211202120101221010 |
4 | 21110301031102110 |
5 | 131001100321322 |
6 | 4333254252220 |
7 | 503052421563 |
oct | 112461152224 |
9 | 27752511833 |
10 | 10012120212 |
11 | 4278643116 |
12 | 1b35057070 |
13 | c373720b3 |
14 | 6ad9d9bda |
15 | 3d8ea420c |
hex | 254c4d494 |
10012120212 has 24 divisors (see below), whose sum is σ = 23365750912. Its totient is φ = 3336782400.
The previous prime is 10012120193. The next prime is 10012120213. The reversal of 10012120212 is 21202121001.
It is a super-2 number, since 2×100121202122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10012120213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 141507.
Almost surely, 210012120212 is an apocalyptic number.
10012120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10012120212 is an abundant number, since it is smaller than the sum of its proper divisors (13353630700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10012120212 is a wasteful number, since it uses less digits than its factorization.
10012120212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147759 (or 147757 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 10012120212 its reverse (21202121001), we get a palindrome (31214241213).
It can be divided in two parts, 1001 and 2120212, that multiplied together give a palindrome (2122332212).
The spelling of 10012120212 in words is "ten billion, twelve million, one hundred twenty thousand, two hundred twelve".
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