Base | Representation |
---|---|
bin | 11100111000100101… |
… | …100010011011010110 |
3 | 2222001102120022202120 |
4 | 130320211202123112 |
5 | 1002004104314020 |
6 | 22125300320410 |
7 | 2145362542101 |
oct | 347045423326 |
9 | 88042508676 |
10 | 31014135510 |
11 | 12175742056 |
12 | 60166a3106 |
13 | 2c03511297 |
14 | 1702dd5738 |
15 | c17b9d740 |
hex | 7389626d6 |
31014135510 has 64 divisors (see below), whose sum is σ = 75946222080. Its totient is φ = 8103836160.
The previous prime is 31014135497. The next prime is 31014135539. The reversal of 31014135510 is 1553141013.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302526 + ... + 391854.
It is an arithmetic number, because the mean of its divisors is an integer number (1186659720).
Almost surely, 231014135510 is an apocalyptic number.
31014135510 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31014135510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37973111040).
31014135510 is an abundant number, since it is smaller than the sum of its proper divisors (44932086570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31014135510 is a wasteful number, since it uses less digits than its factorization.
31014135510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89573.
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 31014135510 its reverse (1553141013), we get a palindrome (32567276523).
The spelling of 31014135510 in words is "thirty-one billion, fourteen million, one hundred thirty-five thousand, five hundred ten".
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