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82430172530 = 2531728879007
BaseRepresentation
bin100110011000100111…
…0001001110101110010
321212202200220121222222
41030301032021311302
52322304111010110
6101511244401042
75645460622466
oct1146116116562
9255680817888
1082430172530
1131a5a757732
1213b85846182
137a08756124
143dbd8104a6
152226a04c55
hex1331389d72

82430172530 has 32 divisors (see below), whose sum is σ = 148910455296. Its totient is φ = 32853023424.

The previous prime is 82430172529. The next prime is 82430172541. The reversal of 82430172530 is 3527103428.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9147287 + ... + 9156293.

It is an arithmetic number, because the mean of its divisors is an integer number (4653451728).

Almost surely, 282430172530 is an apocalyptic number.

82430172530 is a deficient number, since it is larger than the sum of its proper divisors (66480282766).

82430172530 is a wasteful number, since it uses less digits than its factorization.

82430172530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12218.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 82430172530 its reverse (3527103428), we get a palindrome (85957275958).

The spelling of 82430172530 in words is "eighty-two billion, four hundred thirty million, one hundred seventy-two thousand, five hundred thirty".

Divisors: 1 2 5 10 317 634 1585 2887 3170 5774 9007 14435 18014 28870 45035 90070 915179 1830358 2855219 4575895 5710438 9151790 14276095 26003209 28552190 52006418 130016045 260032090 8243017253 16486034506 41215086265 82430172530