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57505502000 = 245328752751
BaseRepresentation
bin110101100011100110…
…000101001100110000
312111102122202011210102
4311203212011030300
51420232402031000
642230114251532
74104016462532
oct654346051460
9174378664712
1057505502000
112242a3a1871
12b18a586ba8
135565a0617b
142ad7475852
1517687623d5
hexd63985330

57505502000 has 40 divisors (see below), whose sum is σ = 139048308672. Its totient is φ = 23002200000.

The previous prime is 57505501997. The next prime is 57505502023. The reversal of 57505502000 is 20550575.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14374376 + ... + 14378375.

Almost surely, 257505502000 is an apocalyptic number.

57505502000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57505502000 is an abundant number, since it is smaller than the sum of its proper divisors (81542806672).

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

57505502000 is a wasteful number, since it uses less digits than its factorization.

57505502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28752774 (or 28752758 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The spelling of 57505502000 in words is "fifty-seven billion, five hundred five million, five hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 28752751 57505502 115011004 143763755 230022008 287527510 460044016 575055020 718818775 1150110040 1437637550 2300220080 2875275100 3594093875 5750550200 7188187750 11501100400 14376375500 28752751000 57505502000