Base | Representation |
---|---|
bin | 1110100011101… |
… | …01001111010110 |
3 | 22111210002022220 |
4 | 13101311033112 |
5 | 222230140110 |
6 | 20041203210 |
7 | 3011650332 |
oct | 721651726 |
9 | 274702286 |
10 | 122115030 |
11 | 62a26914 |
12 | 34a90506 |
13 | 1c3b781b |
14 | 1230a7c2 |
15 | aac2370 |
hex | 74753d6 |
122115030 has 32 divisors (see below), whose sum is σ = 297209088. Its totient is φ = 32104800.
The previous prime is 122115001. The next prime is 122115043. The reversal of 122115030 is 30511221.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26536 + ... + 30795.
It is an arithmetic number, because the mean of its divisors is an integer number (9287784).
Almost surely, 2122115030 is an apocalyptic number.
122115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122115030 is an abundant number, since it is smaller than the sum of its proper divisors (175094058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122115030 is a wasteful number, since it uses less digits than its factorization.
122115030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57412.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 122115030 is about 11050.5669537811. The cubic root of 122115030 is about 496.1233948759.
Adding to 122115030 its reverse (30511221), we get a palindrome (152626251).
The spelling of 122115030 in words is "one hundred twenty-two million, one hundred fifteen thousand, thirty".
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