Base | Representation |
---|---|
bin | 1110101010010… |
… | …00001100011110 |
3 | 22120101222121120 |
4 | 13111020030132 |
5 | 222440312402 |
6 | 20111511410 |
7 | 3022206441 |
oct | 725101436 |
9 | 276358546 |
10 | 122979102 |
11 | 63467024 |
12 | 35228566 |
13 | 1c62abcc |
14 | 12493658 |
15 | abe33bc |
hex | 754831e |
122979102 has 8 divisors (see below), whose sum is σ = 245958216. Its totient is φ = 40993032.
The previous prime is 122979089. The next prime is 122979107. The reversal of 122979102 is 201979221.
It is a sphenic number, since it is the product of 3 distinct primes.
122979102 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122979107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10248253 + ... + 10248264.
It is an arithmetic number, because the mean of its divisors is an integer number (30744777).
Almost surely, 2122979102 is an apocalyptic number.
122979102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122979102 is a wasteful number, since it uses less digits than its factorization.
122979102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20496522.
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 122979102 is about 11089.5943117862. The cubic root of 122979102 is about 497.2908164955.
The spelling of 122979102 in words is "one hundred twenty-two million, nine hundred seventy-nine thousand, one hundred two".
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