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231071634620 = 225191973086717
BaseRepresentation
bin1101011100110011110…
…0010101010010111100
3211002102210001021012122
43113030330111102330
512241213314301440
6254053003022112
722460112326021
oct3271474252274
9732383037178
10231071634620
1189aa6a06182
123894950a938
1318a36712ca8
14b2809a3548
1560261ce7b5
hex35ccf154bc

231071634620 has 48 divisors (see below), whose sum is σ = 513382937760. Its totient is φ = 87119472384.

The previous prime is 231071634617. The next prime is 231071634631. The reversal of 231071634620 is 26436170132.

231071634620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468499 + ... + 1618218.

It is an arithmetic number, because the mean of its divisors is an integer number (10695477870).

Almost surely, 2231071634620 is an apocalyptic number.

231071634620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231071634620 is an abundant number, since it is smaller than the sum of its proper divisors (282311303140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231071634620 is a wasteful number, since it uses less digits than its factorization.

231071634620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086942 (or 3086940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 231071634620 in words is "two hundred thirty-one billion, seventy-one million, six hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 197 380 394 788 985 1970 3743 3940 7486 14972 18715 37430 74860 3086717 6173434 12346868 15433585 30867170 58647623 61734340 117295246 234590492 293238115 586476230 608083249 1172952460 1216166498 2432332996 3040416245 6080832490 11553581731 12161664980 23107163462 46214326924 57767908655 115535817310 231071634620