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4937163021 = 327211195381
BaseRepresentation
bin1001001100100011…
…10010000100001101
3110202002010212102200
410212101302010031
540102403204041
62133524312113
7233230123200
oct44621620415
913662125380
104937163021
11210399971a
12b59542639
13608b2a54b
1434b9c5937
151dd6931b6
hex12647210d

4937163021 has 18 divisors (see below), whose sum is σ = 8295778062. Its totient is φ = 2821235760.

The previous prime is 4937163019. The next prime is 4937163031. The reversal of 4937163021 is 1203617394.

4937163021 is a `hidden beast` number, since 493 + 7 + 163 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2831729796 + 2105433225 = 53214^2 + 45885^2 .

It is not a de Polignac number, because 4937163021 - 21 = 4937163019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4937163031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5597250 + ... + 5598131.

It is an arithmetic number, because the mean of its divisors is an integer number (460876559).

Almost surely, 24937163021 is an apocalyptic number.

It is an amenable number.

4937163021 is a deficient number, since it is larger than the sum of its proper divisors (3358615041).

4937163021 is a wasteful number, since it uses less digits than its factorization.

4937163021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195401 (or 11195391 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4937163021 is about 70264.9487369058. The cubic root of 4937163021 is about 1702.7824124776.

The spelling of 4937163021 in words is "four billion, nine hundred thirty-seven million, one hundred sixty-three thousand, twenty-one".

Divisors: 1 3 7 9 21 49 63 147 441 11195381 33586143 78367667 100758429 235103001 548573669 705309003 1645721007 4937163021