Base | Representation |
---|---|
bin | 111111001101100… |
… | …1010100101100110 |
3 | 12110211010112020211 |
4 | 1332123022211212 |
5 | 13320442103340 |
6 | 550245250034 |
7 | 103363426420 |
oct | 17633124546 |
9 | 5424115224 |
10 | 2121050470 |
11 | 999306680 |
12 | 4b240391a |
13 | 27a57b466 |
14 | 1619a9810 |
15 | c63245ea |
hex | 7e6ca966 |
2121050470 has 32 divisors (see below), whose sum is σ = 4759969536. Its totient is φ = 661106400.
The previous prime is 2121050461. The next prime is 2121050527. The reversal of 2121050470 is 740501212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376536 + ... + 1378075.
It is an arithmetic number, because the mean of its divisors is an integer number (148749048).
Almost surely, 22121050470 is an apocalyptic number.
2121050470 is an abundant number, since it is smaller than the sum of its proper divisors (2638919066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121050470 is a wasteful number, since it uses less digits than its factorization.
2121050470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2754636.
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 2121050470 is about 46054.8636953797. The cubic root of 2121050470 is about 1284.8438030253.
Adding to 2121050470 its reverse (740501212), we get a palindrome (2861551682).
The spelling of 2121050470 in words is "two billion, one hundred twenty-one million, fifty thousand, four hundred seventy".
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