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2581419070 = 25475492381
BaseRepresentation
bin1001100111011101…
…0101010000111110
320122220101200020201
42121313111100332
520241320402240
61104052434114
7120653462056
oct23167252076
96586350221
102581419070
11110516439a
1260061893a
13321a68709
141a6ba6566
1510195ed9a
hex99dd543e

2581419070 has 16 divisors (see below), whose sum is σ = 4745418048. Its totient is φ = 1010597920.

The previous prime is 2581419067. The next prime is 2581419083. The reversal of 2581419070 is 709141852.

It is a congruent number.

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, 2745721 + ... + 2746660.

It is an arithmetic number, because the mean of its divisors is an integer number (296588628).

Almost surely, 22581419070 is an apocalyptic number.

2581419070 is a deficient number, since it is larger than the sum of its proper divisors (2163998978).

2581419070 is a wasteful number, since it uses less digits than its factorization.

2581419070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492435.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2581419070 is about 50807.6674331739. The cubic root of 2581419070 is about 1371.7853842835.

The spelling of 2581419070 in words is "two billion, five hundred eighty-one million, four hundred nineteen thousand, seventy".

Divisors: 1 2 5 10 47 94 235 470 5492381 10984762 27461905 54923810 258141907 516283814 1290709535 2581419070