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72616101200 = 2452971871549
BaseRepresentation
bin100001110100001000…
…0011100010101010000
320221102202000011001122
41003220100130111100
52142204210214300
653205343021412
75150331450566
oct1035020342520
9227382004048
1072616101200
1128883994685
12120a6b9a868
136b03437226
14372c249a36
151d50121c85
hex10e841c550

72616101200 has 60 divisors (see below), whose sum is σ = 176258835900. Its totient is φ = 28746977280.

The previous prime is 72616101127. The next prime is 72616101227. The reversal of 72616101200 is 210161627.

It can be written as a sum of positive squares in 6 ways, for example, as 7965919504 + 64650181696 = 89252^2 + 254264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72616101200.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 896975 + ... + 974574.

It is an arithmetic number, because the mean of its divisors is an integer number (2937647265).

Almost surely, 272616101200 is an apocalyptic number.

It is an amenable number.

72616101200 is an abundant number, since it is smaller than the sum of its proper divisors (103642734700).

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

72616101200 is a wasteful number, since it uses less digits than its factorization.

72616101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871664 (or 1871653 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 72616101200 its reverse (210161627), we get a palindrome (72826262827).

The spelling of 72616101200 in words is "seventy-two billion, six hundred sixteen million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 97 100 194 200 388 400 485 776 970 1552 1940 2425 3880 4850 7760 9700 19400 38800 1871549 3743098 7486196 9357745 14972392 18715490 29944784 37430980 46788725 74861960 93577450 149723920 181540253 187154900 363080506 374309800 726161012 748619600 907701265 1452322024 1815402530 2904644048 3630805060 4538506325 7261610120 9077012650 14523220240 18154025300 36308050600 72616101200