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233131230232 = 231511019189391
BaseRepresentation
bin1101100100011110110…
…1000100010000011000
3211021202022112120020121
43121013231010100120
512304423043331412
6255033215203024
722562131521655
oct3310755042030
9737668476217
10233131230232
118a96355790a
1239223216474
1318ca4325214
14b3d8332c2c
1560e6e15107
hex3647b44418

233131230232 has 32 divisors (see below), whose sum is σ = 440450035200. Its totient is φ = 115679412000.

The previous prime is 233131230191. The next prime is 233131230251. The reversal of 233131230232 is 232032131332.

It is a junction number, because it is equal to n+sod(n) for n = 233131230197 and 233131230206.

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, 1136257 + ... + 1325647.

It is an arithmetic number, because the mean of its divisors is an integer number (13764063600).

Almost surely, 2233131230232 is an apocalyptic number.

It is an amenable number.

233131230232 is a deficient number, since it is larger than the sum of its proper divisors (207318804968).

233131230232 is a wasteful number, since it uses less digits than its factorization.

233131230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190567 (or 190563 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 233131230232 its reverse (232032131332), we get a palindrome (465163361564).

The spelling of 233131230232 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 151 302 604 1019 1208 2038 4076 8152 153869 189391 307738 378782 615476 757564 1230952 1515128 28598041 57196082 114392164 192989429 228784328 385978858 771957716 1543915432 29141403779 58282807558 116565615116 233131230232