Search a number
-
+
31542003550505 = 5729827140926669
BaseRepresentation
bin1110010101111111100011…
…11010101100100100101001
311010200101102110102100022102
413022333301322230210221
513113241010402104010
6151030110230503145
76433556152325540
oct712776172544451
9133611373370272
1031542003550505
11a060985784648
123655075204ab5
13147a523a26546
147b08d9325157
1539a72e9beba5
hex1caff1eac929

31542003550505 has 64 divisors (see below), whose sum is σ = 44836835904000. Its totient is φ = 20842145415168.

The previous prime is 31542003550459. The next prime is 31542003550511. The reversal of 31542003550505 is 50505530024513.

It is not a de Polignac number, because 31542003550505 - 28 = 31542003550249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1182708311 + ... + 1182734979.

It is an arithmetic number, because the mean of its divisors is an integer number (700575561000).

Almost surely, 231542003550505 is an apocalyptic number.

31542003550505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31542003550505 is a deficient number, since it is larger than the sum of its proper divisors (13294832353495).

31542003550505 is a wasteful number, since it uses less digits than its factorization.

31542003550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28946.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 31542003550505 in words is "thirty-one trillion, five hundred forty-two billion, three million, five hundred fifty thousand, five hundred five".

Divisors: 1 5 7 29 35 145 203 827 1015 1409 4135 5789 7045 9863 23983 26669 28945 40861 49315 119915 133345 167881 186683 204305 286027 773401 839405 933415 1165243 1430135 3867005 5413807 5826215 8156701 22055263 27069035 33792047 37576621 40783505 110276315 154386841 168960235 187883105 236544329 263036347 639602627 771934205 1089722009 1182721645 1315181735 3198013135 4477218389 5448610045 7628054063 22386091945 31075865567 38140270315 155379327835 217531058969 901200101443 1087655294845 4506000507215 6308400710101 31542003550505