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13164176564 = 2271142740833
BaseRepresentation
bin11000100001010010…
…10110010010110100
31020222102201110100222
430100221112102310
5203430012122224
610014133553512
7644135440340
oct142051262264
936872643328
1013164176564
11564591a770
1226747a5898
13131a3c54b6
148cc4a4620
15520a81b5e
hex310a564b4

13164176564 has 24 divisors (see below), whose sum is σ = 28721840448. Its totient is φ = 5128899840.

The previous prime is 13164176537. The next prime is 13164176573. The reversal of 13164176564 is 46567146131.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21370109 + ... + 21370724.

It is an arithmetic number, because the mean of its divisors is an integer number (1196743352).

Almost surely, 213164176564 is an apocalyptic number.

13164176564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13164176564 is an abundant number, since it is smaller than the sum of its proper divisors (15557663884).

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

13164176564 is a wasteful number, since it uses less digits than its factorization.

13164176564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42740855 (or 42740853 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The spelling of 13164176564 in words is "thirteen billion, one hundred sixty-four million, one hundred seventy-six thousand, five hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 42740833 85481666 170963332 299185831 470149163 598371662 940298326 1196743324 1880596652 3291044141 6582088282 13164176564