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50313145311 = 321113217237691
BaseRepresentation
bin101110110110111001…
…011010101111011111
311210212102001121020100
4232312321122233133
51311020131122221
635040305152143
73430543451562
oct566671325737
9153772047210
1050313145311
111a379505830
12990192b653
13498a8c0c00
1426141664d9
1514970ed926
hexbb6e5abdf

50313145311 has 144 divisors (see below), whose sum is σ = 94863405312. Its totient is φ = 25336396800.

The previous prime is 50313145307. The next prime is 50313145327. The reversal of 50313145311 is 11354131305.

It is a happy number.

50313145311 is a `hidden beast` number, since 5 + 0 + 31 + 314 + 5 + 311 = 666.

It is not a de Polignac number, because 50313145311 - 22 = 50313145307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50313145331) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6537976 + ... + 6545666.

It is an arithmetic number, because the mean of its divisors is an integer number (658773648).

Almost surely, 250313145311 is an apocalyptic number.

50313145311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50313145311 is a deficient number, since it is larger than the sum of its proper divisors (44550260001).

50313145311 is a wasteful number, since it uses less digits than its factorization.

50313145311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774 (or 7758 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 50313145311 its reverse (11354131305), we get a palindrome (61667276616).

The spelling of 50313145311 in words is "fifty billion, three hundred thirteen million, one hundred forty-five thousand, three hundred eleven".

Divisors: 1 3 9 11 13 17 23 33 39 51 69 99 117 143 153 169 187 207 221 253 299 391 429 507 561 663 759 897 1173 1287 1521 1683 1859 1989 2277 2431 2691 2873 3289 3519 3887 4301 5083 5577 7293 7691 8619 9867 11661 12903 15249 16731 21879 23073 25857 29601 31603 34983 38709 42757 45747 55913 66079 69219 84601 94809 99983 128271 130747 167739 176893 198237 253803 284427 299949 384813 392241 503217 530679 594711 726869 761409 899847 1099813 1176723 1299779 1438217 1592037 1699711 1945823 2180607 2299609 3007181 3299439 3899337 4314651 5099133 5837469 6541821 6898827 9021543 9898317 11698011 12943953 14297569 15297399 17512407 18696821 20696481 22096243 25295699 27064629 29894917 33078991 39093353 42892707 56090463 66288729 75887097 89684751 99236973 117280059 128678121 168271389 198866187 227661291 243058673 269054253 297710919 328844087 351840177 430026883 508213589 729176019 986532261 1290080649 1524640767 2187528057 2959596783 3870241947 4573922301 5590349479 16771048437 50313145311