Base | Representation |
---|---|
bin | 10111000111000010… |
… | …00001111100111100 |
3 | 1012000122222222201002 |
4 | 23203201001330330 |
5 | 200402144140442 |
6 | 5411045305432 |
7 | 616312640654 |
oct | 134341017474 |
9 | 35018888632 |
10 | 12407021372 |
11 | 5297492879 |
12 | 24a3105278 |
13 | 1229593c85 |
14 | 859acd364 |
15 | 4c936e732 |
hex | 2e3841f3c |
12407021372 has 6 divisors (see below), whose sum is σ = 21712287408. Its totient is φ = 6203510684.
The previous prime is 12407021351. The next prime is 12407021377. The reversal of 12407021372 is 27312070421.
12407021372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12407021377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550877668 + ... + 1550877675.
It is an arithmetic number, because the mean of its divisors is an integer number (3618714568).
Almost surely, 212407021372 is an apocalyptic number.
It is an amenable number.
12407021372 is a deficient number, since it is larger than the sum of its proper divisors (9305266036).
12407021372 is a wasteful number, since it uses less digits than its factorization.
12407021372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3101755347 (or 3101755345 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 29.
Adding to 12407021372 its reverse (27312070421), we get a palindrome (39719091793).
The spelling of 12407021372 in words is "twelve billion, four hundred seven million, twenty-one thousand, three hundred seventy-two".
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