Base | Representation |
---|---|
bin | 1000001010011001110… |
… | …0011100111111010110 |
3 | 111101221222011202011110 |
4 | 2002212130130333112 |
5 | 4244143221230402 |
6 | 144231010115450 |
7 | 13063031326431 |
oct | 2024634347726 |
9 | 441858152143 |
10 | 140231430102 |
11 | 54520a93a95 |
12 | 2321727bb86 |
13 | 102ba80219a |
14 | 6b04272818 |
15 | 39ab1d856c |
hex | 20a671cfd6 |
140231430102 has 16 divisors (see below), whose sum is σ = 281529262080. Its totient is φ = 46566076392.
The previous prime is 140231430071. The next prime is 140231430109. The reversal of 140231430102 is 201034132041.
It is a super-2 number, since 2×1402314301022 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140231430109) 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, 44431702 + ... + 44434857.
It is an arithmetic number, because the mean of its divisors is an integer number (17595578880).
Almost surely, 2140231430102 is an apocalyptic number.
140231430102 is an abundant number, since it is smaller than the sum of its proper divisors (141297831978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140231430102 is a wasteful number, since it uses less digits than its factorization.
140231430102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88866827.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 140231430102 its reverse (201034132041), we get a palindrome (341265562143).
The spelling of 140231430102 in words is "one hundred forty billion, two hundred thirty-one million, four hundred thirty thousand, one hundred two".
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