Base | Representation |
---|---|
bin | 1101011010001000101… |
… | …1100110001001101010 |
3 | 211000120210002121020020 |
4 | 3112202023212021222 |
5 | 12233231134344110 |
6 | 253453454141310 |
7 | 22433251345125 |
oct | 3264213461152 |
9 | 730523077206 |
10 | 230354215530 |
11 | 89768a4963a |
12 | 387891b1836 |
13 | 18950bb515a |
14 | b2135b33bc |
15 | 5ed321ad70 |
hex | 35a22e626a |
230354215530 has 32 divisors (see below), whose sum is σ = 552864960000. Its totient is φ = 61426141632.
The previous prime is 230354215529. The next prime is 230354215547. The reversal of 230354215530 is 35512453032.
It is a super-2 number, since 2×2303542155302 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 230354215491 and 230354215500.
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, 1385296 + ... + 1542644.
It is an arithmetic number, because the mean of its divisors is an integer number (17277030000).
Almost surely, 2230354215530 is an apocalyptic number.
230354215530 is an abundant number, since it is smaller than the sum of its proper divisors (322510744470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230354215530 is a wasteful number, since it uses less digits than its factorization.
230354215530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206158.
The product of its (nonzero) digits is 54000, while the sum is 33.
Adding to 230354215530 its reverse (35512453032), we get a palindrome (265866668562).
The spelling of 230354215530 in words is "two hundred thirty billion, three hundred fifty-four million, two hundred fifteen thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •