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73712072950 = 25210943930809
BaseRepresentation
bin100010010100110010…
…1001111100011110110
321001021010021021122221
41010221211033203312
52201430242313300
653510213312554
75216440165525
oct1045145174366
9231233237587
1073712072950
11292965a845a
121235203575a
136c49507519
1437d3a1a4bc
151db645e31a
hex112994f8f6

73712072950 has 48 divisors (see below), whose sum is σ = 138681972000. Its totient is φ = 29146832640.

The previous prime is 73712072911. The next prime is 73712072957. The reversal of 73712072950 is 5927021737.

It is a super-2 number, since 2×737120729502 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73712072897 and 73712072906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73712072957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2377146 + ... + 2407954.

It is an arithmetic number, because the mean of its divisors is an integer number (2889207750).

Almost surely, 273712072950 is an apocalyptic number.

73712072950 is a deficient number, since it is larger than the sum of its proper divisors (64969899050).

73712072950 is a wasteful number, since it uses less digits than its factorization.

73712072950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31369 (or 31364 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 73712072950 in words is "seventy-three billion, seven hundred twelve million, seventy-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 109 218 439 545 878 1090 2195 2725 4390 5450 10975 21950 30809 47851 61618 95702 154045 239255 308090 478510 770225 1196275 1540450 2392550 3358181 6716362 13525151 16790905 27050302 33581810 67625755 83954525 135251510 167909050 338128775 676257550 1474241459 2948482918 7371207295 14742414590 36856036475 73712072950