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68310095044 = 221306812
BaseRepresentation
bin111111100111100110…
…010101010011000100
320112022122111101002011
4333213212111103010
52104344341020134
651214202224004
74635534141022
oct774746252304
9215278441064
1068310095044
1126a742a4504
12112a4ab5004
1365982c3ca9
1434403db712
151b9c0a3264
hexfe79954c4

68310095044 has 9 divisors (see below), whose sum is σ = 119543581101. Its totient is φ = 34154786160.

The previous prime is 68310095041. The next prime is 68310095047. The reversal of 68310095044 is 44059001386.

The square root of 68310095044 is 261362.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (68310095041) and next prime (68310095047).

It can be written as a sum of positive squares in only one way, i.e., 41518952644 + 26791142400 = 203762^2 + 163680^2 .

It is a super-3 number, since 3×683100950443 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68310094988 and 68310095006.

It is not an unprimeable number, because it can be changed into a prime (68310095041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 457384 + ... + 588064.

Almost surely, 268310095044 is an apocalyptic number.

68310095044 is the 261362-nd square number.

It is an amenable number.

68310095044 is a deficient number, since it is larger than the sum of its proper divisors (51233486057).

68310095044 is an frugal number, since it uses more digits than its factorization.

68310095044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261366 (or 130683 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 68310095044 in words is "sixty-eight billion, three hundred ten million, ninety-five thousand, forty-four".

Divisors: 1 2 4 130681 261362 522724 17077523761 34155047522 68310095044