Base | Representation |
---|---|
bin | 111000111000001111… |
… | …1101101111100101100 |
3 | 102200021121002102102222 |
4 | 1301300133231330230 |
5 | 4000123442302043 |
6 | 132040250134512 |
7 | 11552621445545 |
oct | 1616037557454 |
9 | 380247072388 |
10 | 122146447148 |
11 | 47890537690 |
12 | 1b80a721438 |
13 | b697ab843b |
14 | 5caa4434cc |
15 | 329d644d68 |
hex | 1c707edf2c |
122146447148 has 12 divisors (see below), whose sum is σ = 233188671912. Its totient is φ = 55521112320.
The previous prime is 122146447147. The next prime is 122146447177. The reversal of 122146447148 is 841744641221.
It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 2776055617 = 122146447148 / (1 + 2 + 2 + 1 + 4 + 6 + 4 + 4 + 7 + 1 + 4 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 122146447099 and 122146447108.
It is not an unprimeable number, because it can be changed into a prime (122146447147) 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, 1388027765 + ... + 1388027852.
It is an arithmetic number, because the mean of its divisors is an integer number (19432389326).
Almost surely, 2122146447148 is an apocalyptic number.
It is an amenable number.
122146447148 is a deficient number, since it is larger than the sum of its proper divisors (111042224764).
122146447148 is a wasteful number, since it uses less digits than its factorization.
122146447148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2776055632 (or 2776055630 counting only the distinct ones).
The product of its digits is 344064, while the sum is 44.
The spelling of 122146447148 in words is "one hundred twenty-two billion, one hundred forty-six million, four hundred forty-seven thousand, one hundred forty-eight".
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