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68925054708 = 2233638194951
BaseRepresentation
bin100000000110001000…
…0001101111011110100
320120220111122120011000
41000030100031323310
52112124303222313
651355211043300
74660012204236
oct1001420157364
9216814576130
1068925054708
112725a43a834
1211436a40530
136665829a53
14349bd5a256
151bd6078673
hex100c40def4

68925054708 has 24 divisors (see below), whose sum is σ = 178694586560. Its totient is φ = 22975018200.

The previous prime is 68925054703. The next prime is 68925054761. The reversal of 68925054708 is 80745052986.

68925054708 is a `hidden beast` number, since 6 + 8 + 92 + 5 + 0 + 547 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68925054701) 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, 319097368 + ... + 319097583.

Almost surely, 268925054708 is an apocalyptic number.

It is an amenable number.

68925054708 is an abundant number, since it is smaller than the sum of its proper divisors (109769531852).

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

68925054708 is a wasteful number, since it uses less digits than its factorization.

68925054708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638194964 (or 638194956 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 68925054708 in words is "sixty-eight billion, nine hundred twenty-five million, fifty-four thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 638194951 1276389902 1914584853 2552779804 3829169706 5743754559 7658339412 11487509118 17231263677 22975018236 34462527354 68925054708