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68464056308 = 22433253122363
BaseRepresentation
bin111111110000110001…
…101001011111110100
320112201101012102020012
4333300301221133310
52110203244300213
651241342155352
74642413606464
oct776061513764
9215641172205
1068464056308
11270431a191a
1211328582b58
1365c117bc2b
143456a37ba4
151baa8664a8
hexff0c697f4

68464056308 has 24 divisors (see below), whose sum is σ = 122637116448. Its totient is φ = 33425382816.

The previous prime is 68464056301. The next prime is 68464056313. The reversal of 68464056308 is 80365046486.

It is a happy number.

It is a super-2 number, since 2×684640563082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68464056301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498335 + ... + 620697.

It is an arithmetic number, because the mean of its divisors is an integer number (5109879852).

Almost surely, 268464056308 is an apocalyptic number.

It is an amenable number.

68464056308 is a deficient number, since it is larger than the sum of its proper divisors (54173060140).

68464056308 is a wasteful number, since it uses less digits than its factorization.

68464056308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125663 (or 125661 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 68464056308 in words is "sixty-eight billion, four hundred sixty-four million, fifty-six thousand, three hundred eight".

Divisors: 1 2 4 43 86 172 3253 6506 13012 122363 139879 244726 279758 489452 559516 5261609 10523218 21046436 398046839 796093678 1592187356 17116014077 34232028154 68464056308