Base | Representation |
---|---|
bin | 11101010101110110… |
… | …100111000111001110 |
3 | 10000022122111110120202 |
4 | 131111312213013032 |
5 | 1004010304303124 |
6 | 22250120413502 |
7 | 2163504234323 |
oct | 352566470716 |
9 | 100278443522 |
10 | 31505150414 |
11 | 123a79218a1 |
12 | 6133017292 |
13 | 2c8116b74a |
14 | 174c2ccb4a |
15 | c45d3e5ae |
hex | 755da71ce |
31505150414 has 16 divisors (see below), whose sum is σ = 50045199408. Its totient is φ = 14823699072.
The previous prime is 31505150401. The next prime is 31505150429. The reversal of 31505150414 is 41405150513.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168197 + ... + 302159.
It is an arithmetic number, because the mean of its divisors is an integer number (3127824963).
Almost surely, 231505150414 is an apocalyptic number.
31505150414 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
31505150414 is a deficient number, since it is larger than the sum of its proper divisors (18540048994).
31505150414 is a wasteful number, since it uses less digits than its factorization.
31505150414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140899.
The product of its (nonzero) digits is 6000, while the sum is 29.
Subtracting 31505150414 from its reverse (41405150513), we obtain a palindrome (9900000099).
The spelling of 31505150414 in words is "thirty-one billion, five hundred five million, one hundred fifty thousand, four hundred fourteen".
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