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138872099184 = 24371331793063
BaseRepresentation
bin1000000101010101101…
…1000001000101110000
3111021110020100120200220
42001111123001011300
54233402224133214
6143444051013040
713014244236510
oct2012533010560
9437406316626
10138872099184
1153993752605
1222ab7b9a180
1310131cc2970
146a15909840
15392bbc89a9
hex20556c1170

138872099184 has 80 divisors (see below), whose sum is σ = 441542072832. Its totient is φ = 36625607424.

The previous prime is 138872099183. The next prime is 138872099203. The reversal of 138872099184 is 481990278831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138872099183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892164 + ... + 15900899.

Almost surely, 2138872099184 is an apocalyptic number.

138872099184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138872099184 is an abundant number, since it is smaller than the sum of its proper divisors (302669973648).

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

138872099184 is a wasteful number, since it uses less digits than its factorization.

138872099184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31793094 (or 31793088 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 138872099184 in words is "one hundred thirty-eight billion, eight hundred seventy-two million, ninety-nine thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 31793063 63586126 95379189 127172252 190758378 222551441 254344504 381516756 413309819 445102882 508689008 667654323 763033512 826619638 890205764 1239929457 1335308646 1526067024 1653239276 1780411528 2479858914 2670617292 2893168733 3306478552 3560823056 4959717828 5341234584 5786337466 6612957104 8679506199 9919435656 10682469168 11572674932 17359012398 19838871312 23145349864 34718024796 46290699728 69436049592 138872099184