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68118002 = 2191792579
BaseRepresentation
bin1000000111101…
…10010111110010
311202011202022222
410003312113302
5114414234002
610432001042
71454664521
oct403662762
9152152288
1068118002
11354a6077
121a990182
1311160014
1490924b8
155ea81a2
hex40f65f2

68118002 has 8 divisors (see below), whose sum is σ = 107554800. Its totient is φ = 32266404.

The previous prime is 68117981. The next prime is 68118023. The reversal of 68118002 is 20081186.

It is an interprime number because it is at equal distance from previous prime (68117981) and next prime (68118023).

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

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, 896252 + ... + 896327.

It is an arithmetic number, because the mean of its divisors is an integer number (13444350).

Almost surely, 268118002 is an apocalyptic number.

68118002 is a deficient number, since it is larger than the sum of its proper divisors (39436798).

68118002 is a wasteful number, since it uses less digits than its factorization.

68118002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792600.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 68118002 is about 8253.3630721058. The cubic root of 68118002 is about 408.4014734913.

Adding to 68118002 its reverse (20081186), we get a palindrome (88199188).

The spelling of 68118002 in words is "sixty-eight million, one hundred eighteen thousand, two".

Divisors: 1 2 19 38 1792579 3585158 34059001 68118002