Base | Representation |
---|---|
bin | 1000010111001… |
… | …10111111010111 |
3 | 11220000002122211 |
4 | 10023212333113 |
5 | 120424332101 |
6 | 10543334251 |
7 | 1511166136 |
oct | 413467727 |
9 | 156002584 |
10 | 70152151 |
11 | 36665393 |
12 | 1b5b1387 |
13 | 116c2b64 |
14 | 946191d |
15 | 625ac51 |
hex | 42e6fd7 |
70152151 has 4 divisors (see below), whose sum is σ = 70310952. Its totient is φ = 69993352.
The previous prime is 70152127. The next prime is 70152169. The reversal of 70152151 is 15125107.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15125107 = 3389 ⋅4463.
It is a cyclic number.
It is not a de Polignac number, because 70152151 - 25 = 70152119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70152451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78736 + ... + 79621.
It is an arithmetic number, because the mean of its divisors is an integer number (17577738).
Almost surely, 270152151 is an apocalyptic number.
70152151 is a deficient number, since it is larger than the sum of its proper divisors (158801).
70152151 is a wasteful number, since it uses less digits than its factorization.
70152151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158800.
The product of its (nonzero) digits is 350, while the sum is 22.
The square root of 70152151 is about 8375.6880911362. The cubic root of 70152151 is about 412.4269127934.
Adding to 70152151 its reverse (15125107), we get a palindrome (85277258).
The spelling of 70152151 in words is "seventy million, one hundred fifty-two thousand, one hundred fifty-one".
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