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72150202000 = 2453291243969
BaseRepresentation
bin100001100110001111…
…1001011011010010000
320220020021100000111201
41003030133023122100
52140230422431000
653051221120544
75132643412102
oct1031437133220
9226207300451
1072150202000
11286649a9718
1211b96b59154
136a5aa61826
1436c640d572
151d2429296a
hex10cc7cb690

72150202000 has 80 divisors (see below), whose sum is σ = 180475167600. Its totient is φ = 27864883200.

The previous prime is 72150201997. The next prime is 72150202013. The reversal of 72150202000 is 20205127.

It can be written as a sum of positive squares in 8 ways, for example, as 10525118464 + 61625083536 = 102592^2 + 248244^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563985 + ... + 679984.

It is an arithmetic number, because the mean of its divisors is an integer number (2255939595).

Almost surely, 272150202000 is an apocalyptic number.

It is an amenable number.

72150202000 is an abundant number, since it is smaller than the sum of its proper divisors (108324965600).

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

72150202000 is a wasteful number, since it uses less digits than its factorization.

72150202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244021 (or 1244005 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

Adding to 72150202000 its reverse (20205127), we get a palindrome (72170407127).

The spelling of 72150202000 in words is "seventy-two billion, one hundred fifty million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 125 145 200 232 250 290 400 464 500 580 725 1000 1160 1450 2000 2320 2900 3625 5800 7250 11600 14500 29000 58000 1243969 2487938 4975876 6219845 9951752 12439690 19903504 24879380 31099225 36075101 49758760 62198450 72150202 99517520 124396900 144300404 155496125 180375505 248793800 288600808 310992250 360751010 497587600 577201616 621984500 721502020 901877525 1243969000 1443004040 1803755050 2487938000 2886008080 3607510100 4509387625 7215020200 9018775250 14430040400 18037550500 36075101000 72150202000