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231052312550 = 25247163603191
BaseRepresentation
bin1101011100101111001…
…0100111111111100110
3211002101102200121022102
43113023302213333212
512241143343000200
6254051032532102
722456456152323
oct3271362477746
9732342617272
10231052312550
1189a97009224
1238942b51032
1318a32709307
14b27c1b3b4a
1560246646d5
hex35cbca7fe6

231052312550 has 48 divisors (see below), whose sum is σ = 441594450432. Its totient is φ = 89899437600.

The previous prime is 231052312471. The next prime is 231052312571. The reversal of 231052312550 is 55213250132.

231052312550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2310523125502 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81455 + ... + 684645.

It is an arithmetic number, because the mean of its divisors is an integer number (9199884384).

Almost surely, 2231052312550 is an apocalyptic number.

231052312550 is a deficient number, since it is larger than the sum of its proper divisors (210542137882).

231052312550 is a wasteful number, since it uses less digits than its factorization.

231052312550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603413 (or 603408 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 231052312550 its reverse (55213250132), we get a palindrome (286265562682).

The spelling of 231052312550 in words is "two hundred thirty-one billion, fifty-two million, three hundred twelve thousand, five hundred fifty".

Divisors: 1 2 5 10 25 47 50 94 163 235 326 470 815 1175 1630 2350 4075 7661 8150 15322 38305 76610 191525 383050 603191 1206382 3015955 6031910 15079775 28349977 30159550 56699954 98320133 141749885 196640266 283499770 491600665 708749425 983201330 1417498850 2458003325 4621046251 4916006650 9242092502 23105231255 46210462510 115526156275 231052312550