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28554007630 = 252855400763
BaseRepresentation
bin11010100101111100…
…111001010001001110
32201200222101212202011
4122211330321101032
5431434311221010
621041215251434
72030411026441
oct324574712116
981628355664
1028554007630
1111122aa1615
12564a819b7a
132900932405
14154c3a3658
15b21beba8a
hex6a5f3944e

28554007630 has 8 divisors (see below), whose sum is σ = 51397213752. Its totient is φ = 11421603048.

The previous prime is 28554007621. The next prime is 28554007631. The reversal of 28554007630 is 3670045582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28554007631) 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 3 ways as a sum of consecutive naturals, for example, 1427700372 + ... + 1427700391.

It is an arithmetic number, because the mean of its divisors is an integer number (6424651719).

Almost surely, 228554007630 is an apocalyptic number.

28554007630 is a deficient number, since it is larger than the sum of its proper divisors (22843206122).

28554007630 is a wasteful number, since it uses less digits than its factorization.

28554007630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855400770.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 28554007630 in words is "twenty-eight billion, five hundred fifty-four million, seven thousand, six hundred thirty".

Divisors: 1 2 5 10 2855400763 5710801526 14277003815 28554007630