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61379073200 = 2452321747699
BaseRepresentation
bin111001001010011110…
…100101010010110000
312212102121112222112102
4321022132211102300
52001201020320300
644110330315532
74302013341164
oct711236452260
9185377488472
1061379073200
1124037983185
12ba8b888ba8
135a3238c733
142d83ab8ca4
1518e38620d5
hexe4a7a54b0

61379073200 has 60 divisors (see below), whose sum is σ = 147512154600. Its totient is φ = 24543482880.

The previous prime is 61379073187. The next prime is 61379073229. The reversal of 61379073200 is 237097316.

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 11 ways as a sum of consecutive naturals, for example, 1262951 + ... + 1310649.

It is an arithmetic number, because the mean of its divisors is an integer number (2458535910).

Almost surely, 261379073200 is an apocalyptic number.

It is an amenable number.

61379073200 is an abundant number, since it is smaller than the sum of its proper divisors (86133081400).

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

61379073200 is a wasteful number, since it uses less digits than its factorization.

61379073200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50934 (or 50923 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 61379073200 in words is "sixty-one billion, three hundred seventy-nine million, seventy-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3217 6434 12868 16085 25736 32170 47699 51472 64340 80425 95398 128680 160850 190796 238495 257360 321700 381592 476990 643400 763184 953980 1192475 1286800 1907960 2384950 3815920 4769900 9539800 19079600 153447683 306895366 613790732 767238415 1227581464 1534476830 2455162928 3068953660 3836192075 6137907320 7672384150 12275814640 15344768300 30689536600 61379073200