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68728234700 = 22522903236749
BaseRepresentation
bin100000000000010000…
…1011010001011001100
320120101210022001212002
41000000201122023030
52111223412002300
651323500331432
74652102233046
oct1000041321314
9216353261762
1068728234700
1127169329a74
12113a0b43b78
136633b16cc8
14347db64a96
151bc3b4b5d5
hex100085a2cc

68728234700 has 36 divisors (see below), whose sum is σ = 149192274000. Its totient is φ = 27481707840.

The previous prime is 68728234669. The next prime is 68728234711. The reversal of 68728234700 is 743282786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171926 + ... + 408674.

Almost surely, 268728234700 is an apocalyptic number.

It is an amenable number.

68728234700 is an abundant number, since it is smaller than the sum of its proper divisors (80464039300).

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

68728234700 is a wasteful number, since it uses less digits than its factorization.

68728234700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239666 (or 239659 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 68728234700 in words is "sixty-eight billion, seven hundred twenty-eight million, two hundred thirty-four thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2903 5806 11612 14515 29030 58060 72575 145150 236749 290300 473498 946996 1183745 2367490 4734980 5918725 11837450 23674900 687282347 1374564694 2749129388 3436411735 6872823470 13745646940 17182058675 34364117350 68728234700