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21330223031190 = 2352983295391539
BaseRepresentation
bin1001101100110010101000…
…10111011110001110010110
32210112011000220210000112110
410312121110113132032112
510243433244043444230
6113210545202131450
74331025545151663
oct466312427361626
983464026700473
1021330223031190
116884107906957
122485b34650b86
13bb957ba32588
1453a56170aa6a
1526ecac28d4b0
hex1366545de396

21330223031190 has 64 divisors (see below), whose sum is σ = 53595841017600. Its totient is φ = 5425751769984.

The previous prime is 21330223031177. The next prime is 21330223031191. The reversal of 21330223031190 is 9113032203312.

It is a super-2 number, since 2×213302230311902 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330223031191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147623560 + ... + 147767979.

It is an arithmetic number, because the mean of its divisors is an integer number (837435015900).

Almost surely, 221330223031190 is an apocalyptic number.

21330223031190 is an abundant number, since it is smaller than the sum of its proper divisors (32265617986410).

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

21330223031190 is a wasteful number, since it uses less digits than its factorization.

21330223031190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295391661.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 21330223031190 in words is "twenty-one trillion, three hundred thirty billion, two hundred twenty-three million, thirty-one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 29 30 58 83 87 145 166 174 249 290 415 435 498 830 870 1245 2407 2490 4814 7221 12035 14442 24070 36105 72210 295391539 590783078 886174617 1476957695 1772349234 2953915390 4430873085 8566354631 8861746170 17132709262 24517497737 25699063893 42831773155 49034995474 51398127786 73552493211 85663546310 122587488685 128495319465 147104986422 245174977370 256990638930 367762466055 711007434373 735524932110 1422014868746 2133022303119 3555037171865 4266044606238 7110074343730 10665111515595 21330223031190