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149923328127880 = 235171092022710849
BaseRepresentation
bin100010000101101010111110…
…101101110111001110001000
3201122211112022111211010121011
4202011222332231313032020
5124122320434000043010
61250505454235453304
743402413555454456
oct4205527655671610
9648745274733534
10149923328127880
114385214326499a
121499418b2b7234
13658692b0b4248
14290448369d9d6
15124ecb321ca8a
hex885abeb77388

149923328127880 has 64 divisors (see below), whose sum is σ = 360447073470000. Its totient is φ = 55923909525504.

The previous prime is 149923328127799. The next prime is 149923328127887. The reversal of 149923328127880 is 88721823329941.

It can be written as a sum of positive squares in 8 ways, for example, as 44363032871364 + 105560295256516 = 6660558^2 + 10274254^2 .

It is not an unprimeable number, because it can be changed into a prime (149923328127887) 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, 1011281305 + ... + 1011429544.

Almost surely, 2149923328127880 is an apocalyptic number.

149923328127880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149923328127880 is an abundant number, since it is smaller than the sum of its proper divisors (210523745342120).

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

149923328127880 is a wasteful number, since it uses less digits than its factorization.

149923328127880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022710986 (or 2022710982 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 67.

The spelling of 149923328127880 in words is "one hundred forty-nine trillion, nine hundred twenty-three billion, three hundred twenty-eight million, one hundred twenty-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 109 136 170 218 340 436 545 680 872 1090 1853 2180 3706 4360 7412 9265 14824 18530 37060 74120 2022710849 4045421698 8090843396 10113554245 16181686792 20227108490 34386084433 40454216980 68772168866 80908433960 137544337732 171930422165 220475482541 275088675464 343860844330 440950965082 687721688660 881901930164 1102377412705 1375443377320 1763803860328 2204754825410 3748083203197 4409509650820 7496166406394 8819019301640 14992332812788 18740416015985 29984665625576 37480832031970 74961664063940 149923328127880