Base | Representation |
---|---|
bin | 11100111101110001… |
… | …011011110100001010 |
3 | 2222021111021121210202 |
4 | 130331301123310022 |
5 | 1002143342441414 |
6 | 22142045212202 |
7 | 2150500221143 |
oct | 347561336412 |
9 | 88244247722 |
10 | 31101140234 |
11 | 1220a867a8a |
12 | 603b861062 |
13 | 2c18554a78 |
14 | 17107a2aca |
15 | c206379de |
hex | 73dc5bd0a |
31101140234 has 16 divisors (see below), whose sum is σ = 47104177536. Its totient is φ = 15399849600.
The previous prime is 31101140159. The next prime is 31101140237. The reversal of 31101140234 is 43204110113.
It is not an unprimeable number, because it can be changed into a prime (31101140237) 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, 626879 + ... + 674669.
It is an arithmetic number, because the mean of its divisors is an integer number (2944011096).
Almost surely, 231101140234 is an apocalyptic number.
31101140234 is a deficient number, since it is larger than the sum of its proper divisors (16003037302).
31101140234 is a wasteful number, since it uses less digits than its factorization.
31101140234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50941.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31101140234 its reverse (43204110113), we get a palindrome (74305250347).
The spelling of 31101140234 in words is "thirty-one billion, one hundred one million, one hundred forty thousand, two hundred thirty-four".
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