Search a number
-
+
68678264074 = 2727173135211
BaseRepresentation
bin111111111101100010…
…110010010100001010
320120021022021022001011
4333331202302110022
52111123113422244
651314513314134
74650624420100
oct777542622412
9216238238034
1068678264074
11271430a9332
121138826594a
13662666c0a4
143477277c70
151bbe57a434
hexffd8b250a

68678264074 has 48 divisors (see below), whose sum is σ = 123190030656. Its totient is φ = 28621252800.

The previous prime is 68678264071. The next prime is 68678264099. The reversal of 68678264074 is 47046287686.

It is not an unprimeable number, because it can be changed into a prime (68678264071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440329 + ... + 575539.

It is an arithmetic number, because the mean of its divisors is an integer number (2566458972).

Almost surely, 268678264074 is an apocalyptic number.

68678264074 is a deficient number, since it is larger than the sum of its proper divisors (54511766582).

68678264074 is a wasteful number, since it uses less digits than its factorization.

68678264074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135371 (or 135364 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 68678264074 in words is "sixty-eight billion, six hundred seventy-eight million, two hundred sixty-four thousand, seventy-four".

Divisors: 1 2 7 14 49 71 73 98 142 146 497 511 994 1022 3479 3577 5183 6958 7154 10366 36281 72562 135211 253967 270422 507934 946477 1892954 6625339 9599981 9870403 13250678 19199962 19740806 67199867 69092821 134399734 138185642 470399069 483649747 700798613 940798138 967299494 1401597226 4905590291 9811180582 34339132037 68678264074