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73468705687 = 1341913487921
BaseRepresentation
bin100010001101100010…
…0110111101110010111
321000122011022221112121
41010123010313232113
52200430442040222
653430121200411
75210423460136
oct1043304675627
9230564287477
1073468705687
1129181194a93
12122a4630107
136c0ac77b20
1437ad58991d
151d9edda5c7
hex111b137b97

73468705687 has 8 divisors (see below), whose sum is σ = 79308981360. Its totient is φ = 67655406720.

The previous prime is 73468705649. The next prime is 73468705721. The reversal of 73468705687 is 78650786437.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73468705687 - 211 = 73468703639 is a prime.

It is a super-2 number, since 2×734687056872 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73468705637) 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, 6738514 + ... + 6749407.

It is an arithmetic number, because the mean of its divisors is an integer number (9913622670).

Almost surely, 273468705687 is an apocalyptic number.

73468705687 is a deficient number, since it is larger than the sum of its proper divisors (5840275673).

73468705687 is a wasteful number, since it uses less digits than its factorization.

73468705687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488353.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 73468705687 in words is "seventy-three billion, four hundred sixty-eight million, seven hundred five thousand, six hundred eighty-seven".

Divisors: 1 13 419 5447 13487921 175342973 5651438899 73468705687