Base | Representation |
---|---|
bin | 100000110110101011… |
… | …1101011010101111001 |
3 | 20202010001112212212102 |
4 | 1001231113223111321 |
5 | 2123443411300441 |
6 | 52225013353145 |
7 | 5045255335352 |
oct | 1015527532571 |
9 | 222101485772 |
10 | 70554400121 |
11 | 27a16135097 |
12 | 118106387b5 |
13 | 686526886a |
14 | 35b44ccd29 |
15 | 1c7e12269b |
hex | 106d5eb579 |
70554400121 has 16 divisors (see below), whose sum is σ = 75369292800. Its totient is φ = 65899915200.
The previous prime is 70554400109. The next prime is 70554400187. The reversal of 70554400121 is 12100445507.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70554400121 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70554400621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739020 + ... + 2764658.
It is an arithmetic number, because the mean of its divisors is an integer number (4710580800).
Almost surely, 270554400121 is an apocalyptic number.
It is an amenable number.
70554400121 is a deficient number, since it is larger than the sum of its proper divisors (4814892679).
70554400121 is a wasteful number, since it uses less digits than its factorization.
70554400121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28760.
The product of its (nonzero) digits is 5600, while the sum is 29.
Adding to 70554400121 its reverse (12100445507), we get a palindrome (82654845628).
The spelling of 70554400121 in words is "seventy billion, five hundred fifty-four million, four hundred thousand, one hundred twenty-one".
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