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68786308600 = 2352734711391
BaseRepresentation
bin100000000001111111…
…0111100010111111000
320120112211120112021021
41000003332330113320
52111333243333400
651333333152224
74653405655522
oct1000376742770
9216484515237
1068786308600
1127199094829
12113b848b674
136642b6b369
143487760a12
151bc8cbd71a
hex1003fbc5f8

68786308600 has 48 divisors (see below), whose sum is σ = 162118998720. Its totient is φ = 27137606400.

The previous prime is 68786308573. The next prime is 68786308601. The reversal of 68786308600 is 680368786.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68786308601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2341096 + ... + 2370295.

It is an arithmetic number, because the mean of its divisors is an integer number (3377479140).

Almost surely, 268786308600 is an apocalyptic number.

It is an amenable number.

68786308600 is an abundant number, since it is smaller than the sum of its proper divisors (93332690120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68786308600 is a wasteful number, since it uses less digits than its factorization.

68786308600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711480 (or 4711471 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 68786308600 in words is "sixty-eight billion, seven hundred eighty-six million, three hundred eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 73 100 146 200 292 365 584 730 1460 1825 2920 3650 7300 14600 4711391 9422782 18845564 23556955 37691128 47113910 94227820 117784775 188455640 235569550 343931543 471139100 687863086 942278200 1375726172 1719657715 2751452344 3439315430 6878630860 8598288575 13757261720 17196577150 34393154300 68786308600