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78272524106 = 27233134671663
BaseRepresentation
bin100100011100101100…
…1111110111101001010
321111000221120012120022
41020321121332331022
52240300231232411
655542523500442
75440444322510
oct1107131767512
9244027505508
1078272524106
1130216887957
1213205387722
1374c528842a
143b075804b0
1520819ddedb
hex123967ef4a

78272524106 has 64 divisors (see below), whose sum is σ = 140848201728. Its totient is φ = 31896678528.

The previous prime is 78272524093. The next prime is 78272524147. The reversal of 78272524106 is 60142527287.

It is a super-2 number, since 2×782725241062 (a number of 23 digits) contains 22 as substring.

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, 47066231 + ... + 47067893.

It is an arithmetic number, because the mean of its divisors is an integer number (2200753152).

Almost surely, 278272524106 is an apocalyptic number.

78272524106 is a deficient number, since it is larger than the sum of its proper divisors (62575677622).

78272524106 is a wasteful number, since it uses less digits than its factorization.

78272524106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 78272524106 in words is "seventy-eight billion, two hundred seventy-two million, five hundred twenty-four thousand, one hundred six".

Divisors: 1 2 7 14 23 46 161 313 322 467 626 934 1663 2191 3269 3326 4382 6538 7199 10741 11641 14398 21482 23282 38249 50393 75187 76498 100786 146171 150374 267743 292342 520519 535486 776621 1023197 1041038 1553242 2046394 3361933 3643633 5436347 6723866 7287266 10872694 11971937 17862283 23533531 23943874 35724566 47067062 83803559 125035981 167607118 243082373 250071962 486164746 1701576611 3403153222 5590894579 11181789158 39136262053 78272524106