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312112013210 = 25191163409431
BaseRepresentation
bin1001000101010110101…
…00110101111110011010
31002211121121211001022222
410202223110311332122
520103201133410320
6355214323344042
731356266224244
oct4425324657632
91084547731288
10312112013210
11110403105078
12505a5822022
1323580251c2a
141116b99b094
1581baba8825
hex48ab535f9a

312112013210 has 16 divisors (see below), whose sum is σ = 564742996992. Its totient is φ = 124191166800.

The previous prime is 312112013209. The next prime is 312112013231. The reversal of 312112013210 is 12310211213.

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, 81702806 + ... + 81706625.

It is an arithmetic number, because the mean of its divisors is an integer number (35296437312).

Almost surely, 2312112013210 is an apocalyptic number.

312112013210 is a deficient number, since it is larger than the sum of its proper divisors (252630983782).

312112013210 is a wasteful number, since it uses less digits than its factorization.

312112013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163409629.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312112013210 its reverse (12310211213), we get a palindrome (324422224423).

The spelling of 312112013210 in words is "three hundred twelve billion, one hundred twelve million, thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 191 382 955 1910 163409431 326818862 817047155 1634094310 31211201321 62422402642 156056006605 312112013210