Search a number
-
+
68887243218134 = 2112409695985403
BaseRepresentation
bin11111010100111000011111…
…01010010101110011010110
3100000220120000102102100011102
433222130033222111303112
533012122033230440014
6402302210155510102
720336640051035435
oct1752341752256326
9300816012370142
1068887243218134
111aa49a08a01100
127886986458332
132c590680665c3
14130223606511c
157e6dae1378de
hex3ea70fa95cd6

68887243218134 has 24 divisors (see below), whose sum is σ = 113856252240360. Its totient is φ = 31235824841760.

The previous prime is 68887243218091. The next prime is 68887243218149. The reversal of 68887243218134 is 43181234278886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347893724 + ... + 348091679.

It is an arithmetic number, because the mean of its divisors is an integer number (4744010510015).

Almost surely, 268887243218134 is an apocalyptic number.

68887243218134 is a deficient number, since it is larger than the sum of its proper divisors (44969009022226).

68887243218134 is a wasteful number, since it uses less digits than its factorization.

68887243218134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695985836 (or 695985825 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 65.

The spelling of 68887243218134 in words is "sixty-eight trillion, eight hundred eighty-seven billion, two hundred forty-three million, two hundred eighteen thousand, one hundred thirty-four".

Divisors: 1 2 11 22 121 242 409 818 4499 8998 49489 98978 695985403 1391970806 7655839433 15311678866 84214233763 168428467526 284658029827 569316059654 3131238328097 6262476656194 34443621609067 68887243218134