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4128918892 = 227314756819
BaseRepresentation
bin1111011000011010…
…0100110101101100
3101122202021210220221
43312012210311230
531424000401032
61521413021124
7204214142260
oct36606446554
911582253827
104128918892
11182973796a
129729247a4
1350a54c097
142b25120a0
1519273d597
hexf61a4d6c

4128918892 has 24 divisors (see below), whose sum is σ = 8524221440. Its totient is φ = 1712454480.

The previous prime is 4128918887. The next prime is 4128918907. The reversal of 4128918892 is 2988198214.

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 7 ways as a sum of consecutive naturals, for example, 2377542 + ... + 2379277.

Almost surely, 24128918892 is an apocalyptic number.

It is an amenable number.

4128918892 is an abundant number, since it is smaller than the sum of its proper divisors (4395302548).

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

4128918892 is a wasteful number, since it uses less digits than its factorization.

4128918892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756861 (or 4756859 counting only the distinct ones).

The product of its digits is 663552, while the sum is 52.

The square root of 4128918892 is about 64256.6641835693. The cubic root of 4128918892 is about 1604.2748822540.

The spelling of 4128918892 in words is "four billion, one hundred twenty-eight million, nine hundred eighteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 4756819 9513638 19027276 33297733 66595466 133190932 147461389 294922778 589845556 1032229723 2064459446 4128918892