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38144080080 = 2432552977889
BaseRepresentation
bin100011100001100100…
…000111100011010000
310122110022211000222200
4203201210013203100
51111104341030310
625305000003200
72520150221361
oct434144074320
9118408730880
1038144080080
11151a437aa27
127486460500
13379b7136b2
141bbbcd9b68
15ed3ad49c0
hex8e19078d0

38144080080 has 60 divisors (see below), whose sum is σ = 128100538020. Its totient is φ = 10171754496.

The previous prime is 38144080069. The next prime is 38144080087. The reversal of 38144080080 is 8008044183.

It can be written as a sum of positive squares in 2 ways, for example, as 16152376464 + 21991703616 = 127092^2 + 148296^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38144080087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26488225 + ... + 26489664.

It is an arithmetic number, because the mean of its divisors is an integer number (2135008967).

Almost surely, 238144080080 is an apocalyptic number.

38144080080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38144080080 is an abundant number, since it is smaller than the sum of its proper divisors (89956457940).

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

38144080080 is a wasteful number, since it uses less digits than its factorization.

38144080080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52977908 (or 52977899 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 38144080080 in words is "thirty-eight billion, one hundred forty-four million, eighty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 52977889 105955778 158933667 211911556 264889445 317867334 423823112 476801001 529778890 635734668 794668335 847646224 953602002 1059557780 1271469336 1589336670 1907204004 2119115560 2384005005 2542938672 3178673340 3814408008 4238231120 4768010010 6357346680 7628816016 9536020020 12714693360 19072040040 38144080080