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68252118146 = 2101337881773
BaseRepresentation
bin111111100100001001…
…001010110010000010
320112011121101211201122
4333210021022302002
52104240020240041
651204331432242
74634231301122
oct774411126202
9215147354648
1068252118146
1126a445a5613
12112895b5682
1365892a4b34
143436828c82
151b96e4ec4b
hexfe424ac82

68252118146 has 8 divisors (see below), whose sum is σ = 103391822844. Its totient is φ = 33788177200.

The previous prime is 68252118139. The next prime is 68252118173. The reversal of 68252118146 is 64181125286.

It can be written as a sum of positive squares in 2 ways, for example, as 49857977521 + 18394140625 = 223289^2 + 135625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68252118097 and 68252118106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168940685 + ... + 168941088.

Almost surely, 268252118146 is an apocalyptic number.

68252118146 is a deficient number, since it is larger than the sum of its proper divisors (35139704698).

68252118146 is a wasteful number, since it uses less digits than its factorization.

68252118146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337881876.

The product of its digits is 184320, while the sum is 44.

The spelling of 68252118146 in words is "sixty-eight billion, two hundred fifty-two million, one hundred eighteen thousand, one hundred forty-six".

Divisors: 1 2 101 202 337881773 675763546 34126059073 68252118146