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13470664394881 = 2329769199713151
BaseRepresentation
bin1100010000000110001000…
…1010101000100010000001
31202200210010202121002120201
43010001202022220202001
53231200410041114011
644352200544005201
72560136423061361
oct304014212504201
952623122532521
1013470664394881
114323970964941
121616856300801
13769380295165
14347dab14a9a1
15185609b7dcc1
hexc40622a8881

13470664394881 has 32 divisors (see below), whose sum is σ = 14568354662400. Its totient is φ = 12417329971200.

The previous prime is 13470664394867. The next prime is 13470664394899. The reversal of 13470664394881 is 18849346607431.

It is a cyclic number.

It is not a de Polignac number, because 13470664394881 - 211 = 13470664392833 is a prime.

It is a super-3 number, since 3×134706643948813 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13470664394801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024300656 + ... + 1024313806.

It is an arithmetic number, because the mean of its divisors is an integer number (455261083200).

Almost surely, 213470664394881 is an apocalyptic number.

It is an amenable number.

13470664394881 is a deficient number, since it is larger than the sum of its proper divisors (1097690267519).

13470664394881 is a wasteful number, since it uses less digits than its factorization.

13470664394881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 13470664394881 in words is "thirteen trillion, four hundred seventy billion, six hundred sixty-four million, three hundred ninety-four thousand, eight hundred eighty-one".

Divisors: 1 23 29 667 769 1997 13151 17687 22301 45931 57913 302473 381379 512923 1331999 1535693 8771717 10113119 26262547 35320939 44535097 232601737 293280451 604038581 761613863 1024307231 6745450373 17517118849 20195898643 464505668789 585681060647 13470664394881