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72290403412 = 2242145239491
BaseRepresentation
bin100001101010011011…
…0000000010001010100
320220121001010222200121
41003110312000101110
52141022320402122
653113150121324
75136265201423
oct1032466002124
9226531128617
1072290403412
1128727059057
1212015ab0244
136a80b0c746
1436daca72ba
151d31738bc7
hex10d4d80454

72290403412 has 24 divisors (see below), whose sum is σ = 126850100832. Its totient is φ = 36047575200.

The previous prime is 72290403403. The next prime is 72290403413. The reversal of 72290403412 is 21430409227.

It is a super-3 number, since 3×722904034123 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72290403413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7611987 + ... + 7621477.

It is an arithmetic number, because the mean of its divisors is an integer number (5285420868).

Almost surely, 272290403412 is an apocalyptic number.

It is an amenable number.

72290403412 is a deficient number, since it is larger than the sum of its proper divisors (54559697420).

72290403412 is a wasteful number, since it uses less digits than its factorization.

72290403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439 (or 14437 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 72290403412 in words is "seventy-two billion, two hundred ninety million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 4 421 842 1684 4523 9046 9491 18092 18982 37964 1904183 3808366 3995711 7616732 7991422 15982844 42927793 85855586 171711172 18072600853 36145201706 72290403412