Base | Representation |
---|---|
bin | 1111001011000100… |
… | …1110100010100111 |
3 | 101111212001101010100 |
4 | 3302301032202213 |
5 | 31320141202022 |
6 | 1512054155143 |
7 | 202634565000 |
oct | 36261164247 |
9 | 11455041110 |
10 | 4072990887 |
11 | 1800108379 |
12 | 958052ab3 |
13 | 4cba996a4 |
14 | 2a8d141a7 |
15 | 18c8921ac |
hex | f2c4e8a7 |
4072990887 has 24 divisors (see below), whose sum is σ = 6860890400. Its totient is φ = 2327421600.
The previous prime is 4072990793. The next prime is 4072990891. The reversal of 4072990887 is 7880992704.
It is not a de Polignac number, because 4072990887 - 27 = 4072990759 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4072990787) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 656614 + ... + 662787.
Almost surely, 24072990887 is an apocalyptic number.
4072990887 is a deficient number, since it is larger than the sum of its proper divisors (2787899513).
4072990887 is a wasteful number, since it uses less digits than its factorization.
4072990887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1319428 (or 1319411 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 54.
The square root of 4072990887 is about 63819.9881463480. The cubic root of 4072990887 is about 1596.9983942429.
The spelling of 4072990887 in words is "four billion, seventy-two million, nine hundred ninety thousand, eight hundred eighty-seven".
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