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68023870316 = 2217005967579
BaseRepresentation
bin111111010110100010…
…011110001101101100
320111120200220122120022
4333112202132031230
52103303102322231
651125535341312
74625460233423
oct772642361554
9214520818508
1068023870316
1126937779646
1211225081838
136550c0a24c
1434143b22ba
151b81db5c7b
hexfd689e36c

68023870316 has 6 divisors (see below), whose sum is σ = 119041773060. Its totient is φ = 34011935156.

The previous prime is 68023870301. The next prime is 68023870331. The reversal of 68023870316 is 61307832086.

It is an interprime number because it is at equal distance from previous prime (68023870301) and next prime (68023870331).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8502983786 + ... + 8502983793.

It is an arithmetic number, because the mean of its divisors is an integer number (19840295510).

Almost surely, 268023870316 is an apocalyptic number.

It is an amenable number.

68023870316 is a deficient number, since it is larger than the sum of its proper divisors (51017902744).

68023870316 is a wasteful number, since it uses less digits than its factorization.

68023870316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005967583 (or 17005967581 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 68023870316 in words is "sixty-eight billion, twenty-three million, eight hundred seventy thousand, three hundred sixteen".

Divisors: 1 2 4 17005967579 34011935158 68023870316