Base | Representation |
---|---|
bin | 1110100101000… |
… | …1101110001101 |
3 | 11021001211222010 |
4 | 3221101232031 |
5 | 111123332031 |
6 | 10022411433 |
7 | 1341533061 |
oct | 351215615 |
9 | 137054863 |
10 | 61152141 |
11 | 31578566 |
12 | 18590b79 |
13 | c8914cb |
14 | 819baa1 |
15 | 557e246 |
hex | 3a51b8d |
61152141 has 8 divisors (see below), whose sum is σ = 81602944. Its totient is φ = 40734720.
The previous prime is 61152139. The next prime is 61152199. The reversal of 61152141 is 14125116.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61152141 - 21 = 61152139 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61152121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 11661.
It is an arithmetic number, because the mean of its divisors is an integer number (10200368).
Almost surely, 261152141 is an apocalyptic number.
It is an amenable number.
61152141 is a deficient number, since it is larger than the sum of its proper divisors (20450803).
61152141 is a wasteful number, since it uses less digits than its factorization.
61152141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16691.
The product of its digits is 240, while the sum is 21.
The square root of 61152141 is about 7819.9834398802. The cubic root of 61152141 is about 393.9767157944.
Adding to 61152141 its reverse (14125116), we get a palindrome (75277257).
It can be divided in two parts, 6115 and 2141, that added together give a triangular number (8256 = T128).
The spelling of 61152141 in words is "sixty-one million, one hundred fifty-two thousand, one hundred forty-one".
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