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20133321230 = 25112813132081
BaseRepresentation
bin10010110000000010…
…100001101000001110
31220222010101200121002
4102300002201220032
5312213112234410
613125450540302
71311631256351
oct226002415016
956863350532
1020133321230
1185a180a260
123a9a737692
131b8b1b7039
14d8dcac298
157cc8037a5
hex4b00a1a0e

20133321230 has 64 divisors (see below), whose sum is σ = 39821098176. Its totient is φ = 7268352000.

The previous prime is 20133321223. The next prime is 20133321343. The reversal of 20133321230 is 3212333102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9673790 + ... + 9675870.

It is an arithmetic number, because the mean of its divisors is an integer number (622204659).

Almost surely, 220133321230 is an apocalyptic number.

20133321230 is a deficient number, since it is larger than the sum of its proper divisors (19687776946).

20133321230 is a wasteful number, since it uses less digits than its factorization.

20133321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20133321230 its reverse (3212333102), we get a palindrome (23345654332).

The spelling of 20133321230 in words is "twenty billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 281 313 562 626 1405 1565 2081 2810 3091 3130 3443 4162 6182 6886 10405 15455 17215 20810 22891 30910 34430 45782 87953 114455 175906 228910 439765 584761 651353 879530 967483 1169522 1302706 1934966 2923805 3256765 4837415 5847610 6432371 6513530 7164883 9674830 12864742 14329766 32161855 35824415 64323710 71648830 183030193 366060386 915150965 1830301930 2013332123 4026664246 10066660615 20133321230