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80144144108 = 22761307152843
BaseRepresentation
bin100101010100011110…
…1101001011011101100
321122212101100100112122
41022220331221123230
52303113400102413
6100452343052112
75535021661550
oct1125075513354
9248771310478
1080144144108
1130a97309746
1213648141038
137732c634a2
143c43d7b860
152140e93108
hex12a8f696ec

80144144108 has 48 divisors (see below), whose sum is σ = 163447705344. Its totient is φ = 33674149440.

The previous prime is 80144144107. The next prime is 80144144111.

80144144108 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×801441441082 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80144144107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447935 + ... + 600777.

It is an arithmetic number, because the mean of its divisors is an integer number (3405160528).

Almost surely, 280144144108 is an apocalyptic number.

It is an amenable number.

80144144108 is an abundant number, since it is smaller than the sum of its proper divisors (83303561236).

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

80144144108 is a wasteful number, since it uses less digits than its factorization.

80144144108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153222 (or 153220 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The spelling of 80144144108 in words is "eighty billion, one hundred forty-four million, one hundred forty-four thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 61 122 244 307 427 614 854 1228 1708 2149 4298 8596 18727 37454 74908 131089 152843 262178 305686 524356 611372 1069901 2139802 4279604 9323423 18646846 37293692 46922801 65263961 93845602 130527922 187691204 261055844 328459607 656919214 1313838428 2862290861 5724581722 11449163444 20036036027 40072072054 80144144108