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72412054702505 = 57211313119966183
BaseRepresentation
bin10000011101101110111110…
…110011000100100110101001
3100111101112011121002022211122
4100131232332303010212221
533442344342000440010
6414001345542505025
721152412135230300
oct2035567663044651
9314345147068748
1072412054702505
1121088864112761
128155b36735175
13315357318486b
1413c4a95495437
1585890c845855
hex41dbbecc49a9

72412054702505 has 48 divisors (see below), whose sum is σ = 102754288796544. Its totient is φ = 48838878466560.

The previous prime is 72412054702451. The next prime is 72412054702541. The reversal of 72412054702505 is 50520745021427.

It is not a de Polignac number, because 72412054702505 - 26 = 72412054702441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6356357 + ... + 13609826.

It is an arithmetic number, because the mean of its divisors is an integer number (2140714349928).

Almost surely, 272412054702505 is an apocalyptic number.

It is an amenable number.

72412054702505 is a deficient number, since it is larger than the sum of its proper divisors (30342234094039).

72412054702505 is a wasteful number, since it uses less digits than its factorization.

72412054702505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19966446 (or 19966439 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 44.

The spelling of 72412054702505 in words is "seventy-two trillion, four hundred twelve billion, fifty-four million, seven hundred two thousand, five hundred five".

Divisors: 1 5 7 35 49 113 131 245 565 655 791 917 3955 4585 5537 6419 14803 27685 32095 74015 103621 518105 725347 3626735 19966183 99830915 139763281 698816405 978342967 2256178679 2615569973 4891714835 11280893395 13077849865 15793250753 18308989811 78966253765 91544949055 110552755271 128162928677 295559406949 552763776355 640814643385 1477797034745 2068915848643 10344579243215 14482410940501 72412054702505