Base | Representation |
---|---|
bin | 1000011011011… |
… | …11101011110011 |
3 | 11221001112200212 |
4 | 10031233223303 |
5 | 121100241201 |
6 | 11003334335 |
7 | 1516020404 |
oct | 415575363 |
9 | 157045625 |
10 | 70712051 |
11 | 36a08013 |
12 | 1b8213ab |
13 | 1185a967 |
14 | 95699ab |
15 | 631babb |
hex | 436faf3 |
70712051 has 8 divisors (see below), whose sum is σ = 74098464. Its totient is φ = 67351680.
The previous prime is 70712039. The next prime is 70712071. The reversal of 70712051 is 15021707.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70712051 - 26 = 70711987 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70712071) 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 7 ways as a sum of consecutive naturals, for example, 836 + ... + 11921.
It is an arithmetic number, because the mean of its divisors is an integer number (9262308).
Almost surely, 270712051 is an apocalyptic number.
70712051 is a deficient number, since it is larger than the sum of its proper divisors (3386413).
70712051 is a wasteful number, since it uses less digits than its factorization.
70712051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13021.
The product of its (nonzero) digits is 490, while the sum is 23.
The square root of 70712051 is about 8409.0457841541. The cubic root of 70712051 is about 413.5212304023.
Adding to 70712051 its reverse (15021707), we get a palindrome (85733758).
The spelling of 70712051 in words is "seventy million, seven hundred twelve thousand, fifty-one".
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