Base | Representation |
---|---|
bin | 1110100011101… |
… | …00111101110100 |
3 | 22111210000210100 |
4 | 13101310331310 |
5 | 222230121113 |
6 | 20041154100 |
7 | 3011644140 |
oct | 721647564 |
9 | 274700710 |
10 | 122113908 |
11 | 62a25a94 |
12 | 34a8b930 |
13 | 1c3b7167 |
14 | 1230a220 |
15 | aac1d73 |
hex | 7474f74 |
122113908 has 144 divisors (see below), whose sum is σ = 369847296. Its totient is φ = 33246720.
The previous prime is 122113883. The next prime is 122113913. The reversal of 122113908 is 809311221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547485 + ... + 547707.
It is an arithmetic number, because the mean of its divisors is an integer number (2568384).
Almost surely, 2122113908 is an apocalyptic number.
122113908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122113908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184923648).
122113908 is an abundant number, since it is smaller than the sum of its proper divisors (247733388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122113908 is a wasteful number, since it uses less digits than its factorization.
122113908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334 (or 329 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 122113908 is about 11050.5161870385. The cubic root of 122113908 is about 496.1218754011.
It can be divided in two parts, 1221 and 13908, that added together give a square (15129 = 1232).
The spelling of 122113908 in words is "one hundred twenty-two million, one hundred thirteen thousand, nine hundred eight".
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