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82704475128630 = 235103121721992771
BaseRepresentation
bin10010110011100000100010…
…110111001000001100110110
3101211211110201001221100201210
4102303200202313020030312
541320012231113104010
6451521524504302250
723264125664324235
oct2263404267101466
9354743631840653
1082704475128630
1124396853121a33
129338821471986
13371bcc9a3c514
14165ccbcc1cb1c
159864ee7e7b20
hex4b3822dc8336

82704475128630 has 64 divisors (see below), whose sum is σ = 200582525864448. Its totient is φ = 21822457989120.

The previous prime is 82704475128571. The next prime is 82704475128631. The reversal of 82704475128630 is 3682157440728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704475128631) 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, 7235856 + ... + 14756915.

It is an arithmetic number, because the mean of its divisors is an integer number (3134101966632).

Almost surely, 282704475128630 is an apocalyptic number.

82704475128630 is an abundant number, since it is smaller than the sum of its proper divisors (117878050735818).

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

82704475128630 is a wasteful number, since it uses less digits than its factorization.

82704475128630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994101.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 82704475128630 in words is "eighty-two trillion, seven hundred four billion, four hundred seventy-five million, one hundred twenty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1217 1545 2434 3090 3651 6085 7302 12170 18255 36510 125351 250702 376053 626755 752106 1253510 1880265 3760530 21992771 43985542 65978313 109963855 131956626 219927710 329891565 659783130 2265255413 4530510826 6795766239 11326277065 13591532478 22652554130 26765202307 33978831195 53530404614 67957662390 80295606921 133826011535 160591213842 267652023070 401478034605 802956069210 2756815837621 5513631675242 8270447512863 13784079188105 16540895025726 27568158376210 41352237564315 82704475128630