Base | Representation |
---|---|
bin | 1110101010010… |
… | …10100010011100 |
3 | 22120102110210001 |
4 | 13111022202130 |
5 | 222441114300 |
6 | 20112024044 |
7 | 3022246432 |
oct | 725124234 |
9 | 276373701 |
10 | 122988700 |
11 | 6347325a |
12 | 35232024 |
13 | 1c6323a3 |
14 | 12496d52 |
15 | abe616a |
hex | 754a89c |
122988700 has 36 divisors (see below), whose sum is σ = 267373512. Its totient is φ = 49105600.
The previous prime is 122988637. The next prime is 122988713. The reversal of 122988700 is 7889221.
It is a self number, because there is not a number n which added to its sum of digits gives 122988700.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 93447 + ... + 94753.
It is an arithmetic number, because the mean of its divisors is an integer number (7427042).
Almost surely, 2122988700 is an apocalyptic number.
122988700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122988700 is an abundant number, since it is smaller than the sum of its proper divisors (144384812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122988700 is a wasteful number, since it uses less digits than its factorization.
122988700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2262 (or 2255 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 122988700 is about 11090.0270513647. The cubic root of 122988700 is about 497.3037533089.
The spelling of 122988700 in words is "one hundred twenty-two million, nine hundred eighty-eight thousand, seven hundred".
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