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2581134700 = 2252113228419
BaseRepresentation
bin1001100111011000…
…1111110101101100
320122212212020011111
42121312033311230
520241232302300
61104042401404
7120651166024
oct23166176554
96585766144
102581134700
111104a8a781
12600500264
13321999151
141a6b30a84
151019059ba
hex99d8fd6c

2581134700 has 36 divisors (see below), whose sum is σ = 5650653960. Its totient is φ = 1023312640.

The previous prime is 2581134697. The next prime is 2581134707. The reversal of 2581134700 is 74311852.

It is not an unprimeable number, because it can be changed into a prime (2581134707) 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 11 ways as a sum of consecutive naturals, for example, 102910 + ... + 125509.

It is an arithmetic number, because the mean of its divisors is an integer number (156962610).

Almost surely, 22581134700 is an apocalyptic number.

2581134700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2581134700 is an abundant number, since it is smaller than the sum of its proper divisors (3069519260).

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

2581134700 is a wasteful number, since it uses less digits than its factorization.

2581134700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228546 (or 228539 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2581134700 is about 50804.8688611633. The cubic root of 2581134700 is about 1371.7350103194.

The spelling of 2581134700 in words is "two billion, five hundred eighty-one million, one hundred thirty-four thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 226 452 565 1130 2260 2825 5650 11300 228419 456838 913676 1142095 2284190 4568380 5710475 11420950 22841900 25811347 51622694 103245388 129056735 258113470 516226940 645283675 1290567350 2581134700