Search a number
-
+
508347389212 = 2213191247941231
BaseRepresentation
bin1110110010110111101…
…11011001010100011100
31210121010121022000112221
413121123313121110130
531312043412423322
61025310452435124
751504215341135
oct7313367312434
91717117260487
10508347389212
11186652937573
1282630618aa4
1338c24641930
141a865ab8c8c
15d35389d9c7
hex765bdd951c

508347389212 has 48 divisors (see below), whose sum is σ = 1008567705600. Its totient is φ = 222250150080.

The previous prime is 508347389203. The next prime is 508347389293. The reversal of 508347389212 is 212983743805.

It is a happy number.

It is a super-2 number, since 2×5083473892122 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 508347389212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12308637 + ... + 12349867.

It is an arithmetic number, because the mean of its divisors is an integer number (21011827200).

Almost surely, 2508347389212 is an apocalyptic number.

508347389212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

508347389212 is a deficient number, since it is larger than the sum of its proper divisors (500220316388).

508347389212 is a wasteful number, since it uses less digits than its factorization.

508347389212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53746 (or 53744 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 508347389212 in words is "five hundred eight billion, three hundred forty-seven million, three hundred eighty-nine thousand, two hundred twelve".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 12479 24958 41231 49916 82462 162227 164924 237101 324454 474202 536003 648908 783389 948404 1072006 1566778 2144012 3082313 3133556 6164626 10184057 12329252 20368114 40736228 514521649 1029043298 2058086596 6688781437 9775911331 13377562874 19551822662 26755125748 39103645324 127086847303 254173694606 508347389212