Search a number
-
+
68304194000 = 245374878871
BaseRepresentation
bin111111100111001111…
…110100100111010000
320112022020101120100222
4333213033310213100
52104341333202000
651213431532212
74635433032560
oct774717644720
9215266346328
1068304194000
1126a70a33a09
12112a2b2a068
136597009053
14343d702da0
151b9b7d9a85
hexfe73f49d0

68304194000 has 80 divisors (see below), whose sum is σ = 188753799936. Its totient is φ = 23418576000.

The previous prime is 68304193987. The next prime is 68304194017. The reversal of 68304194000 is 49140386.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425436 + ... + 2453435.

Almost surely, 268304194000 is an apocalyptic number.

It is an amenable number.

68304194000 is an abundant number, since it is smaller than the sum of its proper divisors (120449605936).

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

68304194000 is a wasteful number, since it uses less digits than its factorization.

68304194000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878901 (or 4878885 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 68304194000 in words is "sixty-eight billion, three hundred four million, one hundred ninety-four thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 4878871 9757742 19515484 24394355 34152097 39030968 48788710 68304194 78061936 97577420 121971775 136608388 170760485 195154840 243943550 273216776 341520970 390309680 487887100 546433552 609858875 683041940 853802425 975774200 1219717750 1366083880 1707604850 1951548400 2439435500 2732167760 3415209700 4269012125 4878871000 6830419400 8538024250 9757742000 13660838800 17076048500 34152097000 68304194000