Base | Representation |
---|---|
bin | 1110100011010… |
… | …10101101100011 |
3 | 22111200220011202 |
4 | 13101222231203 |
5 | 222222300112 |
6 | 20040231415 |
7 | 3011410526 |
oct | 721525543 |
9 | 274626152 |
10 | 122071907 |
11 | 629a7481 |
12 | 34a6b56b |
13 | 1c3a0cc9 |
14 | 122d8bbd |
15 | aab46c2 |
hex | 746ab63 |
122071907 has 8 divisors (see below), whose sum is σ = 122835456. Its totient is φ = 121311432.
The previous prime is 122071877. The next prime is 122071927. The reversal of 122071907 is 709170221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122071907 - 222 = 117877603 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122071907.
It is not an unprimeable number, because it can be changed into a prime (122071927) 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, 178388 + ... + 179070.
It is an arithmetic number, because the mean of its divisors is an integer number (15354432).
Almost surely, 2122071907 is an apocalyptic number.
122071907 is a deficient number, since it is larger than the sum of its proper divisors (763549).
122071907 is an equidigital number, since it uses as much as digits as its factorization.
122071907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1537.
The product of its (nonzero) digits is 1764, while the sum is 29.
The square root of 122071907 is about 11048.6156146370. The cubic root of 122071907 is about 496.0649886120.
The spelling of 122071907 in words is "one hundred twenty-two million, seventy-one thousand, nine hundred seven".
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