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31043435150 = 25271323928547
BaseRepresentation
bin11100111010010101…
…010011101010001110
32222010110200220022102
4130322111103222032
51002034104411100
622132224315102
72146166562560
oct347225235216
988113626272
1031043435150
1112190234332
126024472a92
132c095cc550
141706c61330
15c1a539cd5
hex73a553a8e

31043435150 has 96 divisors (see below), whose sum is σ = 71365432320. Its totient is φ = 9783285120.

The previous prime is 31043435141. The next prime is 31043435161. The reversal of 31043435150 is 5153434013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1073177 + ... + 1101723.

It is an arithmetic number, because the mean of its divisors is an integer number (743389920).

Almost surely, 231043435150 is an apocalyptic number.

31043435150 is an abundant number, since it is smaller than the sum of its proper divisors (40321997170).

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

31043435150 is a wasteful number, since it uses less digits than its factorization.

31043435150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818 (or 28813 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 31043435150 its reverse (5153434013), we get a palindrome (36196869163).

The spelling of 31043435150 in words is "thirty-one billion, forty-three million, four hundred thirty-five thousand, one hundred fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 50 65 70 91 130 175 182 239 325 350 455 478 650 910 1195 1673 2275 2390 3107 3346 4550 5975 6214 8365 11950 15535 16730 21749 28547 31070 41825 43498 57094 77675 83650 108745 142735 155350 199829 217490 285470 371111 399658 543725 713675 742222 999145 1087450 1427350 1855555 1998290 2597777 3711110 4995725 5195554 6822733 9277775 9991450 12988885 13645466 18555550 25977770 34113665 47759131 64944425 68227330 88695529 95518262 129888850 170568325 177391058 238795655 341136650 443477645 477591310 620868703 886955290 1193978275 1241737406 2217388225 2387956550 3104343515 4434776450 6208687030 15521717575 31043435150