Search a number
-
+
68196010792 = 23713237139509
BaseRepresentation
bin111111100000110011…
…001000101100101000
320112000200211021220111
4333200303020230220
52104131134321132
651155005104104
74632650345620
oct774063105450
9215020737814
1068196010792
1126a159632a8
1211272858034
13657a78b910
14342d1c1880
151b9206a647
hexfe0cc8b28

68196010792 has 64 divisors (see below), whose sum is σ = 157445769600. Its totient is φ = 26966580480.

The previous prime is 68196010721. The next prime is 68196010811. The reversal of 68196010792 is 29701069186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706334 + ... + 1745842.

It is an arithmetic number, because the mean of its divisors is an integer number (2460090150).

Almost surely, 268196010792 is an apocalyptic number.

It is an amenable number.

68196010792 is an abundant number, since it is smaller than the sum of its proper divisors (89249758808).

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

68196010792 is a wasteful number, since it uses less digits than its factorization.

68196010792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41906 (or 41902 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 68196010792 in words is "sixty-eight billion, one hundred ninety-six million, ten thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 2371 4742 9484 16597 18968 30823 33194 39509 61646 66388 79018 123292 132776 158036 215761 246584 276563 316072 431522 513617 553126 863044 1027234 1106252 1726088 2054468 2212504 3595319 4108936 7190638 14381276 28762552 93675839 187351678 374703356 655730873 749406712 1217785907 1311461746 2435571814 2622923492 4871143628 5245846984 8524501349 9742287256 17049002698 34098005396 68196010792