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61060556000 = 255315265139
BaseRepresentation
bin111000110111011111…
…100010010011100000
312211121102012122002002
4320313133202103200
52000023000243000
644014551343132
74261065106463
oct706737422340
9184542178062
1061060556000
1123994101524
12ba01081aa8
1359b13aa412
142d536852da
1518c58e68d5
hexe377e24e0

61060556000 has 48 divisors (see below), whose sum is σ = 150025795920. Its totient is φ = 24424220800.

The previous prime is 61060555999. The next prime is 61060556027. The reversal of 61060556000 is 65506016.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7628570 + ... + 7636569.

It is an arithmetic number, because the mean of its divisors is an integer number (3125537415).

Almost surely, 261060556000 is an apocalyptic number.

It is an amenable number.

61060556000 is an abundant number, since it is smaller than the sum of its proper divisors (88965239920).

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

61060556000 is a wasteful number, since it uses less digits than its factorization.

61060556000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15265164 (or 15265146 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 61060556000 in words is "sixty-one billion, sixty million, five hundred fifty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 15265139 30530278 61060556 76325695 122121112 152651390 244242224 305302780 381628475 488484448 610605560 763256950 1221211120 1526513900 1908142375 2442422240 3053027800 3816284750 6106055600 7632569500 12212111200 15265139000 30530278000 61060556000