Base | Representation |
---|---|
bin | 1110011110010… |
… | …01101111111111 |
3 | 22110110101210020 |
4 | 13033021233333 |
5 | 222040200412 |
6 | 20014143223 |
7 | 3002663421 |
oct | 717115777 |
9 | 273411706 |
10 | 121412607 |
11 | 625970a8 |
12 | 347b1b13 |
13 | 1c1ccba4 |
14 | 121a6811 |
15 | a9d418c |
hex | 73c9bff |
121412607 has 32 divisors (see below), whose sum is σ = 174637056. Its totient is φ = 74844000.
The previous prime is 121412597. The next prime is 121412617. The reversal of 121412607 is 706214121.
It is an interprime number because it is at equal distance from previous prime (121412597) and next prime (121412617).
It is not a de Polignac number, because 121412607 - 24 = 121412591 is a prime.
It is a super-2 number, since 2×1214126072 = 29482042277072898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121412617) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447882 + ... + 448152.
It is an arithmetic number, because the mean of its divisors is an integer number (5457408).
Almost surely, 2121412607 is an apocalyptic number.
121412607 is a deficient number, since it is larger than the sum of its proper divisors (53224449).
121412607 is a wasteful number, since it uses less digits than its factorization.
121412607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 121412607 is about 11018.7389024334. The cubic root of 121412607 is about 495.1703076871.
Adding to 121412607 its reverse (706214121), we get a palindrome (827626728).
The spelling of 121412607 in words is "one hundred twenty-one million, four hundred twelve thousand, six hundred seven".
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